Question

HELP PLEASE!
for p(x)=-2x+5 determine:
p(5)
p(0)
p(-1/2)

Answer 1

`p(5) = - 5 \\ p(0) = 5 \\ p( - (1)/(2) ) = 6`

Explanation:

`p(x) = - 2x + 5`

We substitute x = 5,0 and - 1/2 in the equation.

`p(5) = - 2(5) + 5 \\ p(5) = - 10 + 5 \\ p(5) = - 5`

`p(0) = - 2(0) + 5 \\ p(0) = 0 + 5 \\ p(0) = 5`

`p( - (1)/(2) ) = - 2( - (1)/(2) ) + 5 \\ p( - (1)/(2) ) = 1 + 5 \\ p( - (1)/(2) ) = 6`