Pacho starts saving for college by opening a savings account and depositing $50. he plans to make a deposit every month to continue saving. the amount of money in pacho's savings account can be modeled by the sequence a0=50, an=an−1 + 25, where n is the number of months since his initial deposit. is the sequence an a function? why or why not?

x= -3 and

step-by-step explanation:

to find the roots of a cubic, use division or factoring to find the factors then set equal to 0. as this is a difference of cubes, it factors into

where a is the cube root of .

here   this is 27 and the cube root of 27 is 3. so we write using the form:

.

set each factor to 0 and solve for x.

x-3=0

x=3

the quadratic expression does not factor and must be solved using the quadratic formula.

where a = 1, b=3, and c=9

this cubic has two complex roots.

if i did my math right then the answer should but 108

48+y= ?

the y is the variable and the ? could also be a variable