Graph the equation.f(x) = x2 - 1
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the volume under the surface z = f(x,y) and above the rectangle with the given boundaries.z = 8x + 4y + 7; R = {(x, y): 0 ? x ? 1, 1 ? y ? 3}
A. 38 B. 36 C. 26 D. 28
Mathematics
Use the elimination method to solve the system of linear equations.x + y = 2x - y = -6
A. (2, 5) B. (-2, 4) C. (-3, 5) D. No solution
Mathematics
Graph the function.y = 
cos 
A. 
B. 
C. 
D. 
Mathematics
Solve using Cramer's rule, if possible. If it is not possible, state whether the system is inconsistent or has infinitely many solutions.
A. (6, 1, 6) B. (5, -6, -1) C. (6, 4, 1) D. (5, 6, 1)
Mathematics