Question

Let g(x) be the indicated transformation .Write the rule for g(x) f(x)=2x-7 reflection across the x-axis

Answer 1

Reflection in the x-axis of f(x)=2x-7

$g\mleft(x\mright)=f\mleft(-x\mright)=2\left(-x\right)-7=-2x-7$

We can graph both of them to check: