Can i have with 9 it’s seems easy but i need

If f(x)=2x^6+x^2+2 then what is the remainder when f(x)is divided by x+2

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x