Jimmy invests $8,277 in a savings account with a fixed annual interest rate of 7% compounded 6 times per year. What will the account balance be
after 4 years? *

Me because some of question i don’t understand

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)