Find the derivative of f at the given point.f(x) = x3 + 4x at x = -2
A. 4
B. -2
C. 16
D. 12
Answer: C
Mathematics
You might also like to view...
Find an equation of the tangent line at the indicated point on the graph of the function.y = f(x) = 2
- x + 9, (x, y) = (4, 9)
A. y = - 
x + 11
B. y = - 
x + 9
C. y = 9
D. y = 
x - 11
Mathematics
Use a calculator to find the function value to four decimal places.cos (57.6°)
A. 1.5757 B. 0.4964 C. 0.5358 D. 0.8443
Mathematics
Rewrite as a single logarithm.2 log2(2x + 5) + 6 log2(6x + 1)
A. 12 log2(2x + 5)(6x + 1)
B. log2((2x + 5)2 + (6x + 1)6)
C. log2(2x + 5)2(6x + 1)6
D. log2
Mathematics
Use the product rule to simplify the radical.10
A. 180 B. 30 C. 16 D. 60
Mathematics