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