If f(x) = 4x + 3 and g(x) = 3x evaluate f(x)for x=-1/2

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

10 points? me . its important ‼️‼️