Question

Can anyone please help me with these two been working on them and no clue

Answer 1

4.

For f(1) we have x=1, which is in the range of the second case, 1≤x≤2

so we have f(1)=-(1)² = -1

Answer: f(1)=-1, third choice

5.

The intervals are closed on the right. So f(8)=360

Answer: 360 cents, third choice

Answer 2

360 cents

Explanation:

Multiply 0.45 x 8. To get $3.6.

There are 360 cents in three dollars and sixty cents