Factor the special products.y2 - u2
A. (y2 - u)(y2 + u)
B. (y - u)(y + u)
C. (y - u)(y - u)
D. prime
Answer: B
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Solve the problem.It has been determined that the number of fish f(t) that can be caught in t minutes in a certain pond using a certain bait is f(t) = 0.28t + 1, for t > 10. Find and interpret f(11). Round your answer to the nearest whole number.
A. 4; Approximately 11 fish can be caught in this pond with this bait in 4 minutes. B. 9; Approximately 9 fish can be caught in this pond with this bait in 11 minutes. C. 9; Approximately 11 fish can be caught in this pond with this bait in 9 minutes. D. 4; Approximately 4 fish can be caught in this pond with this bait in 11 minutes.
Write the solution set in interval notation.t is larger than -3 but not larger than 1
A. {t|-3 ? t < 1} B. {t|-3 ? t ? 1} C. {t|-3 < t < 1} D. {t|-3 < t ? 1}
Use a method of your choice to solve the equation.x + 1 - 2
= 0
A. x = -1 + 2
B. x = -2
or x = 2
C. x = -9 or x = 11
D. x = 1 + 2
Write the quadratic function in the form y = a(x - h)2 + k.y = x2 + 6x + 1
A. y = (x + 3)2 - 8 B. y = (x - 3)2 - 8 C. y = (x + 3)2 + 8 D. y = (x - 3)2 + 8