(Solved): Given the function \( f(x)=2 x+5 \), evaluate and simplify the expressions below. See special instr ...

Given the function \( f(x)=2 x+5 \), evaluate and simplify the expressions below. See special instructions on how to enter your answers. \[ f(a)= \] \[ f(a+h)= \] \[ \frac{f(a+h)-f(a)}{h}= \] Instructions: Simplify answers as much as possible. Expressions such as \( 4(x+2) \) and \( (x+5)^{2} \) should be expanded. Also collect like terms, so \( 3 x+x \) should be written as \( 4 x \).