Nonlinear Functions

SAT Math· difficulty 2/5

The graph of y=f(x)y = f(x) is shifted 4 units up. Which equation represents the new graph?

  • A

    y=f(x)+4y = f(x) + 4

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  • B

    y=f(x4)y = f(x - 4)

  • C

    y=f(x)4y = f(x) - 4

  • D

    y=f(x+4)y = f(x + 4)

Explanation

A vertical shift up by kk units adds kk to the function: y=f(x)+4y = f(x) + 4.

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