Question

Please help on how I would start these

Answer 1

a) -15 (b)25/2 (c)-31.2 (d)15

Explanation:

(a)f(-24)=5/6×24+15

-15

(b)f(9)=5/6×9+15

25/2

(c)f(x)=5/6x+15

5/6x+15=-11

5x+90=-66

5x=-66-90

5x=-156

5x/5=-156/5

x=-31.2

(d)f(0)=5/6×0+15

0+15

15