Write an equation for a function that has a graph with the given characteristics.The shape of y = x2, but upside-down and vertically stretched by a factor of 10.
A. f(x) = 10(x - 10)x2
B. f(x) = 10x2
C. f(x) = (x - 10)2
D. f(x) = -10x2
Answer: D
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From the following credit card transactions, find the gross deposit and the discount fee paid at the rate given. Sara's Olde Curiosity Shop pays a 4% discount fee on the gross deposit.??SalesCredits$199.56?$31.26?$17.85$145.41?$196.63?$10.73$26.41?$158.78?$20.35$160.65?$177.79
A. $1037.56, $41.50 B. $1096.49, $43.86 C. $1145.42, $45.82 D. $1047.56, $41.90
Add or subtract as indicated.(-2a + 7b - c) - (-4b - 6c + 2d)
A. -2a + 11b + 5c - 2d B. -2a + 11b - 5c + 2d C. -2a + 11b + 7c - 2d D. -2a + 11b + 5c + 2d
Divide.
A. 206 R1 B. 207 C. 206 D. 206 R2
The graph of a rational function, f, is shown in the figure. Use the graph to answer the question. 
What is the domain of f?
A. domain of f: (-?, -4) ? (-4, 4) ? (4, ?) B. domain of f: (-?, 4) ? (4, ?) C. domain of f: (-?, -4) ? (-4, ?) D. domain of f: (-?, -6) ? (-6, ?)