Give the domain and range of the function.
A. Domain [-4, 8] ; Range [0, 6]
B. Domain {-4, 8} ; Range {0, 6}
C. Domain (-?, ?) ; Range (-?, ?)
D. Domain = (-4, 8) ; Range (0, 6)
Answer: A
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Change the order of integration and evaluate the integral.
A. 
?
B. 
?
C. 
?
D. 
?
Find the x-intercepts and y-intercept of the graph of the given quadratic equation.y = -x2 + 15x - 56
A. x-intercepts (-7, 0) and (-8, 0); y-intercept (0, -56) B. x-intercepts (7, 0) and (-8, 0); y-intercept (0, -56) C. x-intercepts (7, 0) and (8, 0); y-intercept (0, -56) D. x-intercepts (-7, 0) and (8, 0); y-intercept (0, 56)
Estimate the answer to the problem.An appliance store sells 38 refrigerators a week. Without finding the exact amount, calculate the total amount of money the store makes in a week if each refrigerator costs $938.
A. $30,000 B. $40,000 C. $27,000 D. $36,000
Provide an appropriate response.Factoring (x + 1)(x - 3) + (x + 7)(x - 3) gives
A. (x + 1)(x +7)(x - 3)2 B. (x -3)(2x - 2) C. 2(x - 3)(x + 8) D. (x + 1)(x +7)(x - 3) E. 2(x - 3)(x + 4)