Chain Rule in Derivatives

Find the derivative of  f(x) = (x⁶ + 4)⁵

• f '(x) = 5x⁵(x⁴ + 4)⁴
• f '(x) = 6x⁵(x⁶ + 4)⁴
• f '(x) = 30x⁵(x⁶ + 4)⁴
• f '(x) = 30x⁶(x⁶ + 4)⁴

• A

• B

• C

• D

Tags

CCSS.HSA.SSE.A.2

CCSS.HSN.RN.A.2

• -135

• -5/27

• -5/729

• -5

Tags

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

Differentiate:
f(x) = x⁷ (5 + 8x)³

• f '(x) = x² (5 + 8x)⁶ (35 + 80x)
• f '(x) = x⁶ (5 + 8x)² (35 + 80x)
• f '(x) = 8x⁷ (5 + 8x)² (35 + 80x)
• f '(x) = x⁶ (5 + 8x)³ (35 + 80x)

Find dy/dx if y = cos⁵x

• 5cos⁴x
• -5sin⁴x
• 5cos⁴xsinx
• -5cos⁴xsinx

Find dy/dx if y = sec(8x²).

• sec(16x)tan(16x)
• 16xcos(8x²)
• 16xsecxtanx(8x²)
• 16xsec(8x²)tan(8x²)

Find y' if y = cos⁵(4x³)

• -5cos⁴(4x³)sin(12x²)
• -60x²sin⁴(4x³)
• -5cos⁴(4x³)sin(4x³)
• -60x²cos⁴(4x³)sin(4x³)

Tags

CCSS.HSF.TF.C.9

Find the equation of the tangent line at the given point.

• y+1=3(x+1)
• y+1=⅓(x+1)
• y-1=3(x+1)
• y=3x-1

Tags

CCSS.HSA.CED.A.2

CCSS.HSG.GPE.B.5

What is the equation of the line tangent to f(x)= 4x²+2x-1 at x=0?

• y+1=2(x+1)

• y=2x-1

• y=2x+2

• y= -x-1

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Write the equation of the tangent line of the given equation through the point.

• y+2=9(x-3)

• y - 2 = 9(x-3)

• y - 2 = 3(x -3)

• y-2 = 9(x-3)

Tags

CCSS.HSA.CED.A.2

CCSS.HSG.GPE.B.5