. 6.7.r-62r+43For each word problem, set up a proportion and solve for the indicated value.The ratio of the measures of twocomplementary angles is 7:8. What is themeasure of the smaller angle?

Answered: Image /qna-images/answer/4190bb42-a1a1-4bb7-af3b-ffe13041b839.jpg

Answered: 6. r-6 r+4 2 3

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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#10. For what x is x(2x + 3) positive?
* F1 ! SEWA @ * F2 # 80 F3 $ 888 F4 % FS F6 44 F7 DII FB -2.5 -1.75 -0.5 10 DD F9 F10 F11 F12 bore. 184. Michael and Lorenzo both took the same calculus test. Mi- chael scored an 87 on the test. Lorenzo's test paper only had the z score of his grade which was +1.2. The instructor gave Lorenzo the following information about the distribution of test grades: the mean test grade is 76 and the standard devi- ation is 15. Who had the higher grade, Michael or Lorenzo? the and N ution to the
. 3x - 12 Given a function defined by f(x) = x2 - 6x + 8 for what value(s) of x is the function discontinuous? A. 4 only C. 2, 4 B. 2 D. -4,-2
2.6.5 Find the domain of the function. f(x) = x2 – 10x – 14 What is the domain of f? O A. (-0,00) B. (- 0,14)U(14,00) Oc. (-0,0)U(0,00) O D. (-0,0)U(0,14)U(14,00)
3. The function fx) = 8* was replaced with f(x) +k resulting in the function shown in the table below. What is the value of k? %3D -6 2 57 505 B. -7 A -6 D. -8 C. -9
4. A vase that cost $800 is expected to increase in value by 7% each year for 5 years. 2nd DIFF. X YEAR 0 VALUE 1ST DIFF. 800 Ratio X X (a) Create a table of values for this situation. (b) What type of relation would this situation represent? HOW DO YOU KNOW?
Evaluate. Remember to include a "+C" if appropiate.
Suppose that the total profit in hundreds of dollars from selling x items is given by P(x) = 3x² - 4x + 10. Complete parts a through d below. a. Find the average rate of change of profit as x changes from 4 to 6. $ per item b. Find the average rate of change of profit as x changes from 4 to 5. per item c. Find and interpret the instantaneous rate of change of profit with respect to the number of items produced when x=4. (This number is called the marginal profit at x=4.) $ per item
Find the value of x. (a) (b) (c) (d) 3 4 (f) X = 3 5 = X = 580 = || w|N II (e) 5 X = o|م = X = = = X = 5 12 X 6 36 X = X 12 = X 20 X 27 X 24 X 48
Use the table to evaluate the given compositions. a. h(g(-3)) d. g(h(f(-1))) g. f(h(g(-2))) j. f(f(h(-1))) b. g(f(2)) e. f(f(f(1))) h. g(f(h(-1))) c.h(h(1)) f.h(h(h(-1))) i. g(g(g(-2))) X f(x) g(x) h(x) ♡~♡~ 2 -3 TI ~ T -2 - 1 1 -1 I 1 -1 -1 ON NO -2 FON 0 NONN 2 -2 0 -3
Q3. The table below shows the rate of charges for taxi fare. Booking Fee Monday to Friday - 7.00 a.m. to 9.30 a.m. 5.00 p.m. to 11.00 p.m. $4.00 $2.50 All other times (including Saturday, Sunday and all Public Holidays $2.50 Charges for 1st km or less $0.10 Charges for every 200 meters thereafter Mr Lee booked a taxi at 10.00 a.m. His taxi fare came up to $9. What was the maximum distance he could have travelled?

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