Write the function as the composition of two functions f and g such that y = f[g(x)]).y = 
A. f(x) = 
, g(x) = 8
B. f(x) = 
, g(x) = 10x + 5
C. f(x) = 
, g(x) = 10x + 5
D. f(x) = 8, g(x) = 
Answer: B
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Write the complex number in polar form. Express the argument in degrees, rounded to the nearest tenth, if necessary.
+ i
A. 4(cos 30° + i sin 30°) B. 4(cos 60° + i sin 60°) C. 2(cos 60° + i sin 60°) D. 2(cos 30° + i sin 30°)
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.ln y-z
A. z ln y B. y ln z C. -z ln y D. -y ln z
Factor completely. If the polynomial cannot be factored, say it is prime.3x3 + 6x2 - 24x
A. 3x(x - 2)(x + 4) B. (x - 2)(3x2 + 12) C. 3x(x + 2)(x - 4) D. (3x2 + 6x)(x - 4)
Find the exact value of the indicated trigonometric function of ?.sec ? = 
, ? in quadrant IVFind tan ?.
A. - 
B. - 
C. - 
D. - 