Multiply.(4x - 5)(4x - 5)
A. 4x2 - 40x - 41
B. 16x2 + 25x - 40
C. 16x2 - 40x + 25
D. 4x2 - 41x + 25
Answer: C
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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (x + 5) sin x
A. sin x ln (x + 5)
B. 
(x + 5) sin x
C. (x + 5) sin x
D. cos x ln (x + 5) + 
Use a calculator to evaluate the expression. If necessary, round answers to the nearest thousandth. (0.83)5.5
A. 0.903 B. 0.36 C. 0.369 D. 0.359
One solution of a polynomial equation is given. Use synthetic division to find any remaining solutions.7x4 + 9x3 - 26x2 - 36x - 8 = 0; -1
A. - 
, -2, -2
B. - 
, 2, -2
C. 
, 2, 2
D. 
, 2, -2
Solve the problem.The graph shows the relationship between the area A of a rectangle and the length L, if the width is fixed. Find the area if the length is 4 cm.
A. 52 cm2 B. 78 cm2 C. 13 cm2 D. 26 cm2