Mathematics for IGCSE & O level - Functions (Section 3 - No. 1)

For the function h(x) = x^2 + 3, what is h(-4)?

-13

13

19

0

Paskaidrojums

Substitute -4 for x. h(-4) = (-4)^2 + 3 = 16 + 3 = 19.

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