Decide whether or not the given equation is an identity. -  = 1

A. Yes
B. No


Answer: A

Mathematics

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Find the extreme values of the function subject to the given constraint.  

A. Maximum: 3 at    minimum: -3 at  
B. Maximum: 3 at    and    minimum: -3 at    and  
C. Maximum: 3 at    minimum: -3 at  
D. Maximum: 3 at    minimum: -3 at  

Mathematics

Solve the problem.Brad invests $1500 in an account paying 3.5% compounded monthly. How much is in the account after 7 months?

A. $1530.41 B. $1908.42 C. $1502.55 D. $1530.89

Mathematics

Solve by completing the square to obtain exact solutions.x2 + 12x + 17 = 0

A. 6 ± ,
B. -6 ± 
C. 6 + 
D. -12 ± 

Mathematics

Solve the problem.Given below are the winning times for the men's 100 meter Olympic freestyle for various years.Let W represent the winning time (in seconds) at t years since 1971. Find an equation of a linear model to describe the data.

What will be an ideal response?

Mathematics