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 7.
A. f(x) = -7x2
B. f(x) = 7x2
C. f(x) = 7(x - 7)x2
D. f(x) = (x - 7)2
Answer: A
Mathematics
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A. y = - 
x - 
B. y = - 
x - 
C. y = 
x + 
D. y = - 
x + 
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