A baker sells cupcakes and bases her prices on the number of cupcakes purchased.72Total Cost6660544236302418126Number of Cupcakes,061218 24 30 36 42 48 54 60 66Based on the graph, determine the pricing the baker uses for her sales.O The first 24 cupcakes cost $1.50 each, and all cupcakes after that cost $1.00 each.O The first 24 cupcakes cost $1.00 each, and all cupcakes after that cost $1.50 each.O The first 38 cupcakes cost $1.50 each, and all cupcakes after that cost $1.00 each.O The first 38 cupcakes cost $1.00 each, and all cupcakes after that cost $1.50 each.

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Answered: A baker sells cupcakes and bases her…

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter3: Polynomial Functions

Section3.5: Mathematical Modeling And Variation

Problem 71E

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Graph on the number line: (a) x2 (b) x3 (c) x1
Sports The ordered pairs below give the winning times (in seconds) of the women’s 100-meter freestyle in the Olympics from 1984 through 2012. 1984,55.92 2000,53.83 1988,54.93 2004,53.84 1992,54.64 2008,53.12 1996,54.50 2012,53.00 (a) Sketch a scatter plot of the data. Let y represent the winning time (in seconds) and let t=84 represent 1984. (b) Sketch the line that you think best approximates the data and find an equation of the line. (c) Use the regression feature of a graphing utility to find the equation of the least squares regression line that fits the data. (d) Compare the linear model you found in part (b) with the linear model you found in part (c).
Grade Point Average In many universities students are given grade points for each credit unit according to the following scale: A 4 points B 3 points C 2 points D 1 point F 0 point For example, a grade of A in a 3-unit course earns 43=12 grade points and a grade of B in a 5-unit course earns 35=15 grade points. A students grade point average GPA for these two courses is the total number of grade points earned divided by the number of units; in this case the GPA is (12+15)8=3.375. a Find a formula for the GPA of a student who earns a grade of A in a units of course work, B in b units, C in c units, D in d units and F in f units. b Find the GPA of a student who has earned a grade of A in two 3-unit courses, B in one 4-unit courses and C in three 3-unit courses.
The data represents the heights of eruptions by a geyser. Use the heights to construct a stemplot. Identify the two values that are closest to the middle when the data are sorted in order from lowest to highest. Height of eruption (in.) 6161 3232 5050 9090 8080 5050 4040 7070 5050 6161 7373 5656 5959 6767 6060 6060 7878 7070 4848 8484 Which plot represents a stemplot of the data?
The Forestry Club sells Christmas trees each year to raisemoney for club activities. The trees cost $10 to cut and aresold for $25. Unused trees are stripped of their limbs and soldas firewood for $1 apiece. Data on past sales appear below.How many trees should the forestry club cut this year?
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The data represents the heights of eruptions by a geyser. Use the heights to construct a stemplot. Identify the two values that are closest to the middle when the data are sorted in order from lowest to highest. Height of eruption (in.) 61 37 50 90 80 50 40 70 50 68 75 59 58 66 68 60 73 70 47 88 Identify the two values that are closest to the middle when the data are sorted in order from lowest to highest. The values closest to the middle are enter your response here inches and enter your response here inches. (Type whole numbers. Use ascending order.)
The data represents the heights of eruptions by a geyser. Use the heights to construct a stemplot. Identify the two values that are closest to the middle when the data are sorted in order from lowest to highest. Height of eruption (in.) 66 32 50 90 80 50 40 70 50 66 72 51 58 66 60 60 71 70 47 87 The data represents the heights of eruptions by a geyser. Use the heights to construct a stemplot. Identify the two values that are closest to the middle when the data are sorted in order from lowest to highest. Height of eruption (in.) 66 32 50 90 80 50 40 70 50 66 72 51 58 66 60 60 71 70 47 87 Identify the two values that are closest to the middle when the data are sorted in order from lowest to highest. The values closest to the middle are inches and inches.
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