For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = x2 + 1, g(x) = 4x + 9Find (f ? g)(x).
A. 4x3 + 9
B. 4x2 + 4x + 9
C. 4x3 + 9x2 + 4x + 9
D. 4x3 + 4x2 + 9x + 9
Answer: C
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Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.7x2 = 4x - 2
A. Two different real-number solutions B. Two different imaginary-number solutions C. One real solution
Convert the angle in radians to degrees.- 
?
A. -8° B. -460° C. -230° D. -920?°
Divide the given interval into n subintervals and list the value of ?x and the endpoints 
of the subintervals.-5 ? x ? 2; n = 5
A. ?x = 0.4; a0 = -5, a1 = -4.3, a2 = -2.9, a3 = -0.8, a4 = 0.6, a5 = 2 B. ?x = 1.4; a0 = -5, a1 = -4.3, a2 = -2.2, a3 = -0.8, a4 = 1.3, a5 = 2 C. ?x = 1.4; a0 = -5, a1 = -3.6, a2 = -2.2, a3 = -0.8, a4 = 0.6, a5 = 2 D. ?x = 1.75; a0 = -5, a1 = -3.25, a2 = -1.5, a3 = 0.25, a4 = 2
Factor completely.
A. 
B. 
C. 
D. 
E. 