Determine whether the graph represents a function.
A. Not a function
B. A function
Answer: A
Mathematics
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Estimate the slope of the curve at the indicated point.
A. -2
B. 2
C. 
D. - 
Mathematics
The table shows points that all lie on the same line. Find the slope-intercept form for the line.
A. y = x - 5 B. y = -5x C. y = -5 D. y = x + 5
Mathematics
Use Fundamental Identities and/or the Complementary Angle Theorem to find the exact value of the expression. Do not use a calculator.tan 55° - 
A. 0 B. -1 C. 2 D. 1
Mathematics
Solve the following system by any appropriate method. If there is no real number solution, so state.3x2 - 3y2 = -152x2 + 4y2 = 44
A. (2, -3), (2, 3) B. (2, 3), (3, 2), (-2, -3), (-3, -2) C. (2, 3), (2, -3), (-2, 3), (-2, -3) D. (-2, -3), (-3, -2)
Mathematics