Find a general expression for the slope of a tangent line to the indicated curve.y = 2.1 - 3x2
A. -3x
B. 2.1 - 6x
C. 2.1 - 6x2
D. -6x
Answer: D
Mathematics
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Solve the problem.The cross section of a piece of a roller coaster having a width of 300 feet and a depth of 145 feet is depicted below.
What is the equation of this parabola?
A. y = 
x2
B. y = 
x2
C. y = 
x2
D. Not enough information
Mathematics
Find the first five terms of the infinite sequence whose nth term is given.an = n - 5
A. -4, -3, -2, -1, 0 B. -20, -15, -10, -5, 0 C. 0, 1, 2, 3, 4 D. -5, -4, -3, -2, -1
Mathematics
Decide whether or not the points are the vertices of a right triangle.(-10, 6), (-4, 8), (-5, 3)
A. No B. Yes
Mathematics
Solve the system of linear equations.
?
?
A. 
B. ?
C. ?
D. ?
E. no solution
Mathematics