Algebra Function Question?

Question

Find a linear function h, given h(1)=-1 and h(-4)=24. Then find h(3).

h(x)= ? 

h(3)= ?

Answer 1

Step 1:

The value are and .

General form of linear equation is .

Let , then .

Compare the equations, here and .

(a)

Find .

Consider formula for .

Substitute and in the slope formula.

Substitute and in the general form to find .

Substitute and in .

.

(b)

Find .

Substitute in .

The value of

Solution :

(a) .

(b)