Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = csc u, u = x4 + 2x
A. -(4x3 + 2) csc (x4 + 2x) cot (x4 + 2x)
B. -(4x3 + 2) csc x cot x
C. - csc (x4 + 2x) cot (x4 + 2x)
D. -(4x3 + 2) cot2(x4 + 2x)
Answer: A
You might also like to view...
Evaluate the integral.
dx
A. 
B. 
C. 
D. 28
Solve the right triangle ABC with C = 90°. Your answer should give an angle in decimal degrees when given an angle in decimal degrees and in degrees and minutes when given an angle in degrees and minutes. Use the rules for significant digits.a = 723 cm, b = 440 cm
A. c ? 850 cm, A ? 31°, B ? 59° B. c ? 850 cm, A ? 59°, B ? 31° C. c ? 846 cm, A ? 58.7°, B ? 31.3° D. c ? 846 cm, A ? 31.3°, B ? 58.7°
Simplify.(6 + 7) ? 5 + [49 ÷ (7 ÷ 7)]
A. 66 B. 42 C. 90 D. 114
Factor the polynomial by substitution.15z4 + 2z2 - 8
A. (5z2 + 4)(3z2 - 2) B. (5z4 + 4)(3z - 2) C. (3z4 + 2)(5z - 4) D. (3z2 + 2)(5z2 - 4)