Which of the following polynomials is in standard form?

x+x2

c2-6c

y2+y4

2z3+z5-9

Which function is increasing? o a. f(x)=(1/15)* o b. f(x)= (0.5)* o c. f(x)=(1/5)* o d. f(x) = 5*

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?

Me d is also an option but i couldn't get it in the picture