Use the product rule to find the derivative. f(x) = (5x + 4)2
A. f'(x) = 25x + 20
B. f'(x) = 10x + 8
C. f'(x) = 50x + 40
D. f'(x) = 25x + 16
Answer: C
Mathematics
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Estimate the product or quotient by first rounding each decimal to the indicated place value.8.26 ÷ 2
round to the nearest one
A. 0.04 B. 40 C. 0.4 D. 4
Mathematics
Solve.If y varies jointly with x and z and inversely with n and y = 49 when x = 2, 
and 
find y when 
z = 5, and n = 10.
A. 42 B. 21 C. 35 D. 84
Mathematics
Find the x-intercepts (if any) for the graph of the quadratic function.f(x) = x2 - 4
A. No x-intercepts B. (-2, 0) and (2, 0) C. (-4, 0) D. (2, 0)
Mathematics
Write the standard equation for the circle.
A. (x + 1)2 + (y - 1)2 = 16 B. (x + 1)2 + (y - 1)2 = 4 C. (x - 1)2 + (y + 1)2 = 16 D. (x - 1)2 + (y + 1)2 = 4
Mathematics