F(x)= x to the 4th power + x to the 3 power - 11 x to the 2 power - 9x + 18

Which of the following is true for the relation f(x)=2x^2+1

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)