f(x)=-16x^2+99x+6
A
Step-by-step explanation:
Answer:D
Answer:
4ab(a-b)+b(2b-2a^2)
=4*1*-1[1-(-1)]+(-1){2(-1)-2*1^2}
=-4(1+1)-1{-2-2}
=-4*2-1(-4)
=-8+4
=-4
B and C are correct
17/4 = 4.25
4 and 1/4 = 17/4
