Write an expression that computes the sum of two double variables total1 and total2, which have been already declared and assigned values.

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

Which of the following is true about the graph of f(x)=7^x. select all that apply. a= it intercepts the x axis b=it intercepts both axis c=it intercepts neither d=it intercepts the y axis