Mathematics for IGCSE & O level - Functions (Section 3 - No. 36)

If g(x) = 3x + 5 and h(x) = x², find h(g(x)).

3x^2 + 5

(3x + 5)^2

9x^2+5

3x^2+30x+25

解释

h(g(x)) is equal to (3x+5)^2.

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