Decide whether the equation defines y as a function of x. (Remember that to be a function, every value of x must give one and only one value of y.)y2 = (x - 9)(x + 7)
A. No
B. Yes
Answer: A
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If a projectile is fired with an initial velocity of  FIGURE 1.png)
meters pe second at an angle ? above the horizontal and air resistance is assumed to be negligible, then its position after t seconds is given by the parametric equations  Figure 2.png)
where g is the acceleration of gravity (9.8 m/s²). If a gun is fired with ? = 55° and  FIGURE 1.png)
440 m/s when will the bullet hit the ground?
 multiple choice.png)
Write standard notation for the number in the sentence.The distance between two stars is four trillion, three hundred seventeen billion, nine hundred eighty-eight million miles.
A. 4,317,988,000,000,000 B. 4,317,988,000,000 C. 4,317,988,000 D. 4,317,988
Find a specific solution to a system of linear equations whose general solution isy = any valuew = any valuex = 3 - 6yz = 2
What will be an ideal response?
Use Descartes's Rule of Signs to determine the possible number of positive and negative real zeros for the given function.f(x) = 7x4 - 10x3 + x2 - 3.5x + 20
A. 4 or 2 positive zeros, no negative zeros B. 4 positive zeros, no negative zeros C. 4, 2 or 0 positive zeros, 1 negative zeros D. 4, 2 or 0 positive zeros, no negative zeros