Write the expression using exponential notation. Then identify the base and the exponent.(-5x) ? (-5x) ? (-5x) ? (-5x)
A. -5x4
base: -5x
exponent: 4
B. (-5x)4
base: -5x
exponent: 4
C. (-5x)4
base: 5x
exponent: 4
D. -5x4
base: 5x
exponent: 4
Answer: B
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Evaluate the integral by changing the order of integration in an appropriate way.
A. 6 ln 2 ln cos 7 B. 6 ln 4 ln cos 7 C. - 6 ln 2 ln cos 7 D. - 6 ln 4 ln cos 7
Use the table to solve the problem.For a function f , we have the following numerical representation. 
Evaluate f for x = -1.
A. 10 B. 0 C. 5 D. 20
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. f(x) = -x3(x + 4)2(x - 7)
A. 0, touches the x-axis and turns around; -4, touches the x-axis and turns around; 7, crosses the x-axis B. 0, crosses the x-axis; 4, touches the x-axis and turns around; -7, crosses the x-axis C. 0, crosses the x-axis; -4, touches the x-axis and turns around; 7, crosses the x-axis D. 0, touches the x-axis and turns around; 4, crosses the x-axis; 7, crosses the x-axis
Graph the equation by plotting points.y = 
A. 
B. 
C. 
D. 