WAEC - Further Mathematics (2021 - No. 6)
g(x) = 2x + 3 and f(x) = 3x\(^2\) - 2x + 4
find f {g (-3)}.
37
1
-3
-179
Explicació
g(-3) = 2(-3) + 3 = -6 + 3 = -3
F(-3) = 3 (-3)\(^2\) - 2(-3) + 4
= 27 + 6 + 4 = 37
g(x) = 2x + 3 and f(x) = 3x\(^2\) - 2x + 4
find f {g (-3)}.
g(-3) = 2(-3) + 3 = -6 + 3 = -3
F(-3) = 3 (-3)\(^2\) - 2(-3) + 4
= 27 + 6 + 4 = 37