Specify the domain of the function.f(x) = 
A. All real numbers
B. x ? 5
C. x ? 5
D. x > 
Answer: B
Mathematics
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Solve the equation using the square root property.x2 - 49 = 0
A. {-7} B. {7} C. {7, -7} D. {49}
Mathematics
Jim drove 288 miles. Jim's brother made the same trip at a speed 16 miles per hour slower than Jim did and required an extra 
hours. Find Jim's rate and time.
?
A. 64 mph, 2.5 hr B. 58 mph, 4.5 hr C. 64 mph, 4.5 hr D. 58 mph, 2.5 hr E. not possible
Mathematics
Use the square root property to solve the equation.x2 = 81
A. 40.5 B. 9 C. ±10 D. ±9
Mathematics
Simplify.
A. -1
B. 
C. 
D. 
E. 
Mathematics