Solve the problem.Kayla, a photographer, can produce prints of her photos at a cost of $3 per print, with a setup cost of $30 per run. She sells the prints for $10 each. Write an equation for the total revenue. Let R represent the total revenue and x represent the number of photos produced. Graph the equation by hand. Use the graph to determine the revenue of selling 8 prints. 
A. R = 3x + 30; $54
B. R = 3x + 30; $57
C. R = 10x; $80
D. R = 10x; $70
Answer: C
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If f satisfies the equation of change 
, then what can be said about the function 
?
?
A. f is linear with slope 4.
B. f is linear with slope 
.
C. f is exponential with growth factor 4.
D. f is exponential with growth factor 
.
Solve the problem.The electric current i (in A) in a circuit containing a 1-H inductor, a 
resistor, and a 
battery is function of the time t (in s) given by 
Solve for t as a function of i.
A. t = 
B. t = 
C. t = 
D. t = 
Write the fraction or mixed number as a decimal. Round to the nearest thousandth if necessary.
A. 2 B. 0.5 C. 5 D. 0.05
Find the pair of numbers whose product and sum are given.Product: 6 Sum: -5
A. -3 and -2 B. 3 and -2 C. -3 and 2 D. 3 and 2