! no links ! do these equations represent an exponential function?

a1. y= 12• x^12

a2. y= 7x+ 3

b1. what does the equation,
y= 130(0.45)^x represent?

exponential growth, decay, or linear?

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?

You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width

Which of the following best describes the figure?