Determine whether the equation defines y as a function of x. y = 8x2 - 8x + 9
A. function
B. not a function
Answer: A
Mathematics
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Solve the problem.?1 and ?2 are supplementary angles. What are the measures (to the nearest hundredth) of the two angles? 
A. ?1 = 30.33°, ?2 = 149.67° B. ?1 = 30.33°, ?2 = 151.67° C. ?1 = 30°, ?2 = 148.00° D. ?1 = 15.33°, ?2 = 74.67°
Mathematics
Factor by grouping.6x2 - 4x - 9x + 6
A. (2x - 3)(3x - 2) B. (2x + 3)(3x + 2) C. (6x + 3)(x + 2) D. (6x - 3)(x - 2)
Mathematics
Solve the problem.A projectile is thrown upward so that its distance (in feet) above the ground after t seconds is given by 
What is its maximum height?
A. 5577 ft B. 2500 ft C. 1690 ft D. 58,370 ft
Mathematics
Refer to the graph or table to find the indicated value(s).Find y when x = 3.
A. 1 B. -5 C. -3 D. No such value
Mathematics