If f(x) =2x^2-8, what is f(2y)
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Answer:
Step-by-step explanation:
The rule of reflecting over the x-axis is that point (x, y) →( x, -y) so
Q'(1, -3), R'(-2,-6),and S'(-1,-1) reflected over the x-axis, become
Q"(1, 3), R"(-2, 6), and S"(-1, 1) .
When the function goes 1 to the right, it goes 2 down. Therefore the direction of the function is
Hence, the function represented is
y = -2x
Hence, the function represented is
y = -2x