Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.- 
+ 
A. 
B. - 
C. 
D. - 
Answer: B
Mathematics
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Find the inverse of the function.f(x) = x3 + 7
A. f-1(x) = 
B. f-1(x) = 
- 7
C. f-1(x) = 
D. Not a one-to-one function
Mathematics
Find the slope of the line.
A. -2 B. 0 C. 2 D. Undefined
Mathematics
Find a cartesian equation of the following curve, assuming the center is at the origin. Use a graphing utility to check your work.A hyperbola with vertices (0, ±2) and eccentricity 2
A. 
- 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
- 
= 1
Mathematics
Write the system of equations associated with the augmented matrix. Do not solve.
A. 11x + 18y = - 3 3x + 2y = -15 B. 11x + 18y = 3 2x + 3y = 15 C. 18x + 11y = 3 3x + 2y = 15 D. 11x + 18y = 3 3x + 2y = 15
Mathematics