hi help pls

3. If f(2) = -6 and f (4) = -48. a) Find the equation of the power function f(x) containing the points. b) Find the equation of the linear function f(x) containing the points. 4. Let f(x) = C+ 2x find and simplify x - C a. f(c-1) b. f (". ) 5. If f(x) =-x2 +1 find a. f(-a) b. f(ath) c. J(ath) - f(a) h