AP Calc U-Substitution

What should you set "du" equal to for this integral?

• tanxsecx dx
• secx dx
• sec²x dx
• tanx dx

What should be assigned to "u" in the integral below?
∫[5xsin(2x²)]dx

• 2x²
• 4x
• 5x
• no u substitution needed

• e/2
• 1/2
• 1/2[(ln(5)-ln(3)]
• 0

• A
• B
• C
• D

• B
• C
• D
• E

• A
• B
• C
• D

Tags

CCSS.HSF.TF.B.7

• 1/3
• 8/3
• 16/3
• 24/3