Remove the parentheses and simplify, if possible.(3a + 5) + (a2 - a - 10)
A. 3a - 5
B. a2 + 2a - 5
C. 3a + 15
D. a2 + 2a + 15
Answer: B
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Find the indicated derivative. Assume that x is restricted so that ln is defined.g'(x) if g(x) = ln(2x + 
)
A. 
B. 
C. 
D. 
Simplify the complex fraction.
A. 
B. 
C. 
D. 
The function f(x) changes value when x changes from x0 to x0 + dx. Find the approximation error 
. Round your answer, if appropriate.f(x) = x3, x0 = 9, dx = 0.02
A. 0.016212 B. 0.005404 C. 0.010808 D. 0.021616
For each quadratic function, find (a) the maximum or minimum value and(b) the x- and y-intercepts.Round answers to the nearest hundredth.f(x) = 2.27x2 + 4.062x - 3.63
A. Minimum value: -5.45; No x-intercepts, (0, -3.63) B. Minimum value: -5.45; Intercepts: (0.65, 0), (-2.44, 0), (0, -3.63) C. Minimum value: -5.45; Intercepts: (2.44, 0), (-0.65, 0), (0, -3.63) D. Maximum value: -5.45; Intercepts: (0.65, 0), (-2.44, 0), (0, -3.63)