Question

Given , find f(7). –4 3 7 56

Answer 1

The first one -4 hope this helps

Answer 2

we have

$f(x)=10-2x$

we know that

$f(7)$ ----> is the value of the function for $x=7$

so

substitute the value of x in the function

$f(7)=10-2*7=-4$

therefore

the answer is

$f(7)=-4$