Model the problem with a linear equation.An investment is worth $3422 in 2008. By 2012 it has grown to $4234. Let y be the value of the investment in the year x, where x = 0 represents 2008. Write a linear equation that models the value of the investment in the year x.
A. y = -203x + 5046
B. y = -203x + 3422
C. y = 203x + 3422
D. y = 
x + 3422
Answer: C
Mathematics
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Graph the polynomial function. f(x) = 7x - x3 - x5
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
= 
+ 
A. 
B. 
C. {-3}
D. {3}
Mathematics
The marginal cost of producing the xth roll of film is given by 
.
?
The total cost to produce one roll is $700. Find the total cost function 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Solve the problem.The logistic growth function f(t) = 
describes the population of a species of butterflies 
after they are introduced to a non-threatening habitat. How many butterflies were initially introduced to the habitat?
A. 480 butterflies B. 4 butterflies C. 2 butterflies D. 90 butterflies
Mathematics