Find f'(x) for the function, then find f'(x) for the given x.f(x) = x2 + 7x - 2, f'(0)
A. f'(x) = x2 + 7; f'(0) = 7
B. f'(x) = 2x + 5; f'(0) = 5
C. f'(x) = x2 + 5; f'(0) = 6
D. f'(x) = 2x + 7; f'(0) = 7
Answer: D
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State the practical meaning of the slope and vertical intercept in the given situation.The cost, in dollars, of cellular phone service with Econo-phone is given by 
where x is the number of minutes used in one month.
A. 0.17 signifies the cost per minute, and 29.90 signifies the monthly service charge. B. 29.90 signifies the total phone bill, and 0.17 signifies the number of minutes used. C. 29.90 signifies the cost per minute, and 0.17 signifies the monthly service charge. D. 0.17 signifies the hourly phone rent, and 29.90 signifies the cost of the hardware.
Translate to a proportion.What percent of 77 is 15?
A. 
= 
B. 
= 
C. 
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D. 
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Solve the quadratic equation.x2 = 36
A. x = 6 B. x = -6 C. x = 0 or x = 6 D. x = -6 or x = 6
Solve.Samuel wishes to pay off a car loan of $4464 in 18 months. How large will his monthly payment be?
A. $240 B. $2976 C. $232 D. $248