7) g(a)=-2a² + 5a f(a) = 2a + 2
Find (gºf)(a)

8) f(t)=t-4
g(t)=t^2- 4t
Find
(f over g)(t)

Based on the figures as marked, /\rqs = —

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis

Determine if each number is a whole number, integer, or rational number. include all sets to which each number belongs. 4. -12. 5. 7/8