Question

Find a linear function h, given h(6)=-21 and h(-2)=19. Then find h(1).

Answer 1

m = (-21 - 19)/(6 - (-2))

= -40/8 = -5

19 = -5(-2) + b

19 = 10 + b

b = 9

h(x) = -5x + 9

h(1) = -5(1) + 9 = -5 + 9 = 4