Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(4x
- 
)(
- 
)
A. 4x2 - 4x + 10
B. 4x2 + 10
C. 4x2 - 4x
- 
+ 10
D. 4x2 - 3x
+ 10
Answer: C
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Use a trigonometric substitution to evaluate the integral.
A. ln 6 - ln(1 + 
)
B. ln 
C. ln (e3 + 
)
D. ln(3 + 
) - ln(1 + 
)
Perform the indicated operations. Express the answer as a single polynomial in standard form.(x - 11)(x2 + 4x - 7)
A. x3 + 15x2 + 51x + 77 B. x3 + 15x2 + 37x - 77 C. x3 - 7x2 - 37x - 77 D. x3 - 7x2 - 51x + 77
Solve the problem. Round your answer to the nearest cent.On the day a child was born, his grandparents started a college fund for him by investing $4411 in an account paying 6% interest compounded semiannually. How much interest will be earned when the child turns 3 years old?
A. $855.96 B. $409.02 C. $842.57 D. $793.98
Find the product.(-5m2)(4m3)
A. -20m B. 20m C. 20m6 D. -20m5