Find f'(x) for: f(x)=axn
(basic formula)
f'(x)=a*n*xn-1
Find: d/dx [f(x)*g(x)]
(basic formula)
=f(x)*g'(x)+ g(x)*f'(x)
Find: d/dx [f(x)/g(x)]
(basic formula)
=[g(x)*f'(x) - f(x)*g'(x)] / [g(x)]2
Find y' for: y= f(g(x))
(basic formula)
y'= f'(g(x))* g'(x)
What rule would you use to solve the following:
f(x)= 9x2
Power Rule
Find f'(x) for:
f(x)= 5x8-3x2+2x
f'(x)= 40x7-6x+2
Find dy/dx for:
y= (x2+1) (x3+x+5)
dy/dx= 5x4+6x2+10x+1
Find dy/dx for:
y= (x2+1) / (3x-2)
dy/dx= (3x2-4x-3) / (3x-2)2
Find y' for:
y= (4x+12)2
y'= 32x+96
What rule would you use to solve the following:
f(x)= 2x3+6x2+28x
Power Rule
Find f'(x) for:
f(x)= 10x3+5x2+8x+16
f'(x)= 30x2+10x+8
Find dy/dx for:
y= (x2+3) (x2-4x)
dy/dx= 4x3-12x2+6x-12
Find dy/dx for:
y= (3x-1) / (x3+6)
dy/dx= -(6x3-18-3x2) / (x3+6)2
Find y' for:
y= (9x+6)2
y'= 162x+108
What rule would you use to solve the following:
f(x)= (9x+7) (x2+15)
Product Rule
Find f'(x) for:
f(x)= f(x)=x1/2
f'(x)= 1/(2x1/2)
Find dy/dx for:
y= (2x3+6) (x4+3x)
dy/dx= 14x6+48x3+18
Find dy/dx for:
y= (4-3x-x2) / (x2-1)
dy/dx= (3x2-6x+3) / (x2-1)2
Find y' for:
y= (6x2+1)4
y'= 48x(6x2+1)3
What rule would you use to solve the following:
f(x)= (x-12) / (2x3+5)
Quotient Rule
Find f'(x) for:
f(x)=2x2/3-4x9/4
f'(x)= 4/(3x3)-9x5/4
Find dy/dx for:
y= (7x2+10) (x2+2x)
dy/dx= 28x3+42x2+20x+20
Find dy/dx for:
y= (4x3+1) / (x2+6)
dy/dx= (4x4+72x2-2x) / (x2+6)2
Find y' for:
y= (2x4+7)2
y'= 32x7+112x3
What rule would you use to solve the following:
y= (6x+2)7
Chain Rule