Graph the function and the indicated tangent line.Graph f(x) = -2x2 and the tangent line to the graph at the point whose x-coordinate is -2.
A.
B.
C.
D.
Answer: B
Mathematics
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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = - ,
< ? < 2?Find cos
.
A. -
B. -
C.
D.
Mathematics
Determine whether matrix B is the inverse of matrix A by finding the product AB.A = , B =
A. B = A-1 B. B ? A-1
Mathematics
Identify the equation without completing the square.4y2 - 4x - 2y = 0
A. ellipse B. hyperbola C. parabola D. not a conic
Mathematics
Solve the problem.Susan has been working on a job that will require 45 hours to complete. If she has completed of the job, how many hours has she worked?
A. 40 hours
B. 20 hours
C. 5 hours
D. 4 hours
Mathematics