Evaluate the function for the given value of x.f(x) = -2x2 - 6x - 9 , x = 7
A. f(7) = -137
B. f(7) = -153
C. f(7) = 47
D. f(7) = -149
Answer: D
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Write the complete factored form of the polynomial f(x), given the indicated zero.f(x) = x3 + 5x2 + 8x + 4-1 is a zero.
A. f(x) = (x + 2)2(x + 1) B. f(x) = (x + 2)(x - 2)(x + 1) C. f(x) = (x + 1)2(x + 2) D. f(x) = (x + 1)(x - 1)(x + 2)
Solve the problem.In general, cos 2? ? 2 cos ?. Determine graphically whether there are any values of ? on 
for which 
If there are any such values, estimate them from your graph and refine your estimate numerically to the nearest tenth of a degree.
A. 90.0° and 270.0° B. None C. 111.5° and 248.5° D. 109.5° and 246.5°
Subtract.If 500 - 400 = 100, find 500 - 402 using subtraction patterns.
A. 102 B. 98 C. 108 D. 92
Provide an appropriate response.Factor the expression using integer coefficients: 24a2x3 - 3a2y3.
What will be an ideal response?