Question

If f(x)=3x2 - 5x2 + 9 find f (-1)and f(x-1) science maths

Answer 1

f (-1)= 3 * (-1)^2-5*(-1)^2+9= 7
f (x-1)= f (1)= 3* 1^2 - 5*1^2 + 9 = 7

Answer 2

Answer:

f(x) = 6x + 1 ; x = {-5,-4,-3,-2,-1,0,1} f(x) = 5x2 – 1 ; x = {2, 3, 4, 5} f(x) = 3x – 4 ; x = {6, 7, 8, 9} (i) f(-3) + f(2) f(x) = 6x + 1