Solve the problem.Find g(a + 1) when g(x) = 4x + 2.
A. 4a - 1
B. 4a + 6
C. 
a + 2
D. 4a + 2
Answer: B
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Describe the mail-time situation that illustrates the computation, and state the answer.60 - 110
A. The mail carrier brings you a check for $60 and takes away a check for $110; 60 - 110 = -50 B. The mail carrier brings you a bill for $60 and takes away a check for $110; -60 - 110 = -170 C. The mail carrier brings you a bill for $60 and a check for $110; -60 + 110 = 50 D. The mail carrier brings you a check for $60 and a check for $110; 60 + 110 = 170
Solve the problem. Use the correct number of significant digits.A computer can do one calculation in 1.4 × 10-7 seconds. How long would it take the computer to do a trillion (1012) calculations?
A. 1.4 × 106 sec B. 1.4 × 10-7 sec C. 1.4 × 1012 sec D. 1.4 × 105 sec
Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. x5 - 6x3 + 8x = 0
A. 0, crosses the x-axis;
2, crosses the x-axis;
-2, crosses the x-axis;
, crosses the x-axis;
-
, crosses the x-axis
B. 0, touches the x-axis and turns around;
4, touches the x-axis and turns around;
2, touches the x-axis and turns around
C. 0, crosses the x-axis;
4, touches the x-axis and turns around;
2, touches the x-axis and turns around
D. 0, touches the x-axis and turns around;
2, crosses the x-axis;
-2, crosses the x-axis;
, crosses the x-axis;
-
, crosses the x-axis
Find the domain of the composite function f ? g.f(x) = 4x + 12; g(x) = x + 2
A. {x 
B. {x 
C. {x 
D. {x 