Find the x- and y-intercepts, and graph the equation.y = -3
A. None; (0, -3)
B. (-3, 0); none
C. (-3, 0); none
D. None; (0, -3)
Answer: D
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Solve the problem. Round approximations to an appropriate number of significant digits.At a book sale, Ruth bought 5 hardbacks and 2 paperbacks for $46.00. She returned later and bought 1 more hardback and 3 more paperbacks for $17.00. Find the cost of a hardback and the cost of a paperback at the book sale.
A. $3.00 for hardback $8.00 for paperback B. $10.00 for hardback $3.00 for paperback C. $8.00 for hardback $3.00 for paperback D. $7.50 for hardback $3.50 for paperback
Use the vertex and intercepts to sketch the graph of the equation. Give the equation for the parabola's axis of symmetry.x = -y2 - 16y - 57
A. Axis of symmetry is x = -8.
B. Axis of symmetry is y = 8.
C. Axis of symmetry is x = 8.
D. Axis of symmetry is y = -8.
Simplify the expression. Assume all variables represent positive real numbers.
A. 4x2
B. 4xy2
C. 4xy
D. 4x
Evaluate 
at the indicated value of x. Round your result to three decimal places.
?
?
A. 1.85 B. 0.541 C. 0.014 D. -0.541 E. -1.85