Find f(x) at the indicated value of x.f(x) = 
, x = 10
A. 7
B. 30
C. -7
D. 13
Answer: A
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Identify the type of surface represented by the given equation.
+ 
= 2
A. Paraboloid B. Ellipsoid C. Parabolic cylinder D. Elliptical cylinder
Solve the problem.A ball is thrown directly upward from the top of a building that is 128 feet high. The height of the ball after t seconds is given by the trinomial 
feet. Write this polynomial in factored form.
A. 16(t2 + 2t + 4) B. -16(t + 2)(t - 4) C. -16(t2 + 2t + 4) D. 16(t - 2)(t + 4)
Determine the possible number of positive real zeros and negative real zeros of the polynomial function using Descartes' rule of signs.f(x) = x4 - 16
A. 0 positive zeros, 1 negative zero B. 1 positive zero, 1 negative zero C. 1 positive zero, 0 negative zeros D. 0 positive zeros, 0 negative zeros
Solve the absolute value equation.
= 0
A. {9, -9} B. {-9} C. {9} D. ?