Tuesday

September 23, 2014

September 23, 2014

Posted by **Anonymous** on Tuesday, August 7, 2012 at 4:53pm.

A. e^3x+C

B. 1/3e^3x+C

C. e^4x+C

D. 1/4e^4x+C

Evaluate (integral) dx/(Square root 9-8x-x^2)

A. sin^-1(x+4/5)+C

B. sin^-1(x-4/5)+C

C. Ln(Square root 9-8x-x^2)+C

D. Ln(-8-2x)+C

- Calculus -
**Anonymous**, Tuesday, August 7, 2012 at 5:39pmif u = 3x you have integral e^u du/3, so (B)

since 9-8x-x^2 = 25 - (x+4)^2, and integral du/sqrt(a^2-u^2) = arcsin(u/a), you have arcsin u/5, so (A)

**Answer this Question**

**Related Questions**

Calculus - Find the exact area of the region enclosed by the square root of (x...

math, calculus - find the derivative of the function y= integral from square ...

Calculus - Hello Everyone, I need help with Calc II. 1. Integral from 0 to 1 of...

calculus - how do you solve the integral of 1/[(square root of x)(lnx)] from 2 ...

Integral - That's the same as the integral of sin^2 x dx. Use integration by ...

Maths Calculus Derivative Integral - Urgent Please - Use 2nd Fundamental Theorem...

Calculus - Evaluate the integral. The integral from 0 to the square root of 2 ...

integral Calculus - ʃsin y dy/ √1 + cosy please help..thanks.. that's...

Calculus - Evaluate the integral. The integral from the square root of three ...

Calculus - Evaluate the integral. S= integral sign I= absolute value S ((cos x...