Please answer 3,4,5 please answer quick you have to reasoning with fractions

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

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

Which of the functions below could have created this graph?