The value of 4c + 5g if c = 2 and g = 1.5

Which shows the pre image of triangle xyz

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

A. use the formula for continuous compounding with the original example: $1000 invested at 2% for 1 year. record the amount to 5 decimal places. use a calculator. b. compare it to the result using the original compound interest formula with n = 365 calculated to 5 decimal places. which has a larger value? explain.