SAT Math Practice Question #15132 - SATify | SATify

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SAT Math Practice Question #15132 - SATify | SATify

#15132

functions

transformations

medium

25 sec

The function $h$ is defined by $h (x) = 5 x^{2}$ . In the $x y$ -plane, the graph of $y = k (x)$ is the result of shifting the graph of $y = h (x)$ up 4 units. Which equation defines function $k$ ?

A.

$k (x) = 5 x^{2} - 4$

B.

$k (x) = 5 (x + 4)^{2}$

C.

$k (x) = 5 (x - 4)^{2}$

D.

$k (x) = 5 x^{2} + 4$