Find dy.y = 2x2 + 2x + 9
A. 4x dx
B. 4x + 4 dx
C. 4x + 9 dx
D. (4x + 2) dx
Answer: D
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Solve the problem.The polynomial P(x) = 0.85x - 68 models the relationship between the number of pretzels x that a certain vendor sells and the profit the vendor makes. Find P(900), the profit the vendor makes from selling 900 pretzels.
A. $697 B. $832 C. $765 D. -$59.50
Give the equation of the slant asymptote, if any, of the function.f(x) = 
A. x = y + 6 B. none C. y = x - 13 D. y = x + 9
Provide an appropriate response.A student was asked to find ordered pairs that solve the system of equations x + 2y = 3 4x + 8y = 12.The student claims that (1, 1) and (-1, 2) are the only solutions. Is the student correct?
A. no B. yes
Use inequality symbols to rewrite the statement.6x - 5 is less than or equal to -6.
A. 6x - 5 < -6 B. 6x - 5 ? -6 C. 6x - 5 ? -6 D. 6x - 5 > -6