If f(x)=2(3^x)+1 what is the value of f(2)?

Ineed solving this problem h/8=-25 solve for h idk how to this can someone show me and also give an answer you

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'