Question

Problem 21 pls helps

Answer 1

-2

Explanation:

sub -10 in place of x and divid to give you -2

Answer 2

f(-10) = -2

Explanation:

`y =(20)/(x)`

• Replace y by f(x)

`\implies f(x)=(20)/(x)`

• Plug x = -10

`\implies f(-10)=(20)/(-10)`

`\implies f(-10)=-2`