Determine the domain of the rational function. f(x) = 
A. {x | x ? 0}
B. {x | x ? -7, x ? 0}
C. {x | x ? 7}
D. {x | x ? -7}
Answer: D
Mathematics
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Perform the indicated operations. Write the answer in lowest terms.
? 
÷ 
A. 
B. 
C. 
D. 
Mathematics
Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.tan 37°
A. 0.75 B. 0.60 C. -0.84 D. 0.80
Mathematics
Find the intercepts of the circle. Round to the nearest hundredth, when necessary.(x - 4)2 + (y - 5)2 = 9
A. There are no intercepts. B. The two x-intercepts are x = 7 and x = -7, and the two y-intercepts are y = 3 and y = -3. C. The two x-intercepts are x = 4 and x = -4, and the two y-intercepts are y = 3 and y = -3. D. The x-intercept is x = 4, and the y-intercept is y = -9.
Mathematics
Solve for the variable.
= x + 
A. 1
B. 
C. 
D. 
Mathematics