Solve.8x + 6 = 4x - 18
A. 6
B. - 
C. -24
D. -6
Answer: D
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Find the inverse of the function.f(x) = e-x + 2
A. f-1(x) = -ex - 2
B. f-1(x) = -ln(x - 2)
C. f-1(x) = ln 2 - ln x
D. f-1(x) = ex - 
Graph the linear equation.9y = 3x + 27
A. 
B. 
C. 
D. 
For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 
x4(x2 - 3)(x - 3)
A. 0, multiplicity 4, crosses x-axis;
3, multiplicity 1, touches x-axis
B. 0, multiplicity 4, touches x-axis;
3, multiplicity 1, crosses x-axis;
, multiplicity 1, crosses x-axis;
-
, multiplicity 1, crosses x-axis
C. 0, multiplicity 4, touches x-axis;
3, multiplicity 1, crosses x-axis
D. 0, multiplicity 4, crosses x-axis;
3, multiplicity 1, touches x-axis;
, multiplicity 1, touches x-axis;
-
, multiplicity 1, touches x-axis
Factor the polynomial f(x). Then solve the equation f(x) = 0.f(x) = x3 - 3x2 - 16x + 48
A. (x - 4)(x - 5)(x + 5) ; 4, 5, -5 B. (x - 3)(x - 4)(x + 4) ; -3, -4, -4 C. (x + 4)(x + 5)(x + 5) ; 4, 5, -5 D. (x - 3)(x - 4)(x + 4) ; 3, 4, -4