Question

Find f(3) given f(x)= x³+3x²-2x+4

Answer 1

Answer:

Answer is 52

$x ^3 + x {}^{2} - 2x + 4$

substitute 3 in the x place given in above equation

then

$3 {}^{3} + 3 \times 3 {}^{2} - 2 \times 3 + 4$

27+27-6+4 = 54