Determine whether or not the graph is a graph of a function of x.
A. Function
B. Not a function
Answer: A
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Evaluate the function.g(x, y) = 9y2 - 8xy; find g(5, 6).
A. 79 B. 84 C. -9 D. -15
Solve the problem.The cost of a rental car for the weekend is given by the function C(x) = 146 + 0.25x, where x is the number of miles driven. Find the slope of the graph of this function and interpret it as a rate of change.
A. 0.25; The cost of the rental car decreases by $0.25 for each mile driven. B. 146; The cost of the rental car decreases by $0.25 for each mile driven. C. 0.25; The cost of the rental car increases by $0.25 for each mile driven. D. 146; The cost of the rental car increases by $146 for each mile driven.
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth. Variables represent any real number.
A. 28 B. 38,416 C. 14 D. 16
Solve the equation.4x = 64
A. {3} B. {16} C. {2} D. {4}