Which expression is a polynomial

is a polynomial

Step-by-step explanation:

a polynomial is a set of numbers with multiple terms that are not simplify able

is not a polynomial because its actually one term, there is no addition/subtraction of different terms.

-13 is a single number, so not a polynomial

13x^-2 is also a single number, not a polynomial

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50

step-by-step explanation:

de-gf

hj=3x+20

ji=15x-64