Which of the following equations represent exponential functions ? • f ( x ) = 2 x 2 − 3 x + 1 • g ( x ) = 0.875 x • h ( x ) = 1.75 x + 2 • j ( x ) = 1095.6 − 2 x
Which of the following equations represent exponential functions ? • f ( x ) = 2 x 2 − 3 x + 1 • g ( x ) = 0.875 x • h ( x ) = 1.75 x + 2 • j ( x ) = 1095.6 − 2 x
Which of the following equations represent exponential functions?
•
f
(
x
)
=
2
x
2
−
3
x
+
1
•
g
(
x
)
=
0.875
x
•
h
(
x
)
=
1.75
x
+
2
•
j
(
x
)
=
1095.6
−
2
x
Expression, rule, or law that gives the relationship between an independent variable and dependent variable. Some important types of functions are injective function, surjective function, polynomial function, and inverse function.
6) A farmer has 60 acres on which to plant oats or corn. Each acre of oats requires 100 lbs of fertilizer and 1 hour
of labor. Each acre of corn requires 50 lbs of fertilizer and 2 hours of labor. The farmer has 5000 lbs of
fertilizer and 100 hours available for labor. If the profit is $60 from each acre of oats and $100 from each acre
of corn, what planting combination will produce the greatest total profit?
a) Fill in the following chart to help organize the information given in the problem:
Oats
Labor
Fertilizer
Land
Profit
b) Write down the question of interest.
Corn
Available
c) Define variables to answer the question of interest. Call these x and y.
d) Write the objective function to answer the question of interest.
e) List any constraints given in the problem.
I need help with number 5.
3) Use the following system of linear inequalities graphed below to answer the questions.
a) Use the graph to write the symbolic form of the system
of linear inequalities.
b) Is (-4,2) a solution to the system? Explain.
5
-7
-5
-3
-2
0
2
3
4
$
6
-2
-6
-7
Calculus for Business, Economics, Life Sciences, and Social Sciences (14th Edition)
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