Question

F(−4) if f(x) = −x − 5.

Answer 1

f(x)=-4-5=-9
you need to combine the like terms, since the 4 is already negative and the 5 is also negative -4 minus 5 is negative 9

Answer 2

f(x)=-1

Explanation:

f(-4) if f(x)=-x-5

Substitute -4 in for x

• 4-5

Solve.

• -1

This means that f(x) equals -1