Graph the function. State the domain and the range of the function.f(x) = log1/4 x
A. Domain: (-?, ?); Range: (0, ?)
B. Domain: (-?, ?); Range: (0, ?)
C. Domain: (0, ?); Range: (-?, ?)
D. Domain: (0, ?); Range: (-?, ?)
Answer: D
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Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = 1; local maximum at x =-1; concave down on (0, ?); concave up on (-?, 0) B. Local maximum at x = 1; local minimum at x =-1; concave up on (0, ?); concave down on (-?, 0) C. Local maximum at x = 1; local minimum at x =-1; concave up on (-?, ?) D. Local minimum at x = 1; local maximum at x =-1; concave up on (0, ?); concave down on (-?, 0)
Solve the problem.The following table shows the price of several models of new cars along with the average number of repairs each model requires over a 5-year period. 
Find the equation of the line of best fit for the price and the number of repairs.
A. y = -0.365x + 10.4 B. y = -0.34x - 11.2 C. y = 0.37x + 9.9 D. y = -0.41x + 9.9
Use a trigonometric substitution to evaluate the integral.
A. sec-1 (ex) + C
B. -2
+ C
C. sin-1 (ex) + C
D. ex sin-1 (ex) + C
Find the exact values of the indicated trigonometric functions. Write fractions in lowest terms.
Find sin A and cos A.
A. sin A = 
; cos A = 
B. sin A = 
; cos A = 
C. sin A = 
; cos A = 
D. sin A = 
; cos A = 