Multiply the polynomials. Express the answer as a single polynomial in standard form.(2x + 11)(2x - 11)
A. 4x2 - 121
B. 4x2 + 44x - 121
C. 4x2 - 44x - 121
D. x2 - 121
Answer: A
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Solve.y = x2 + 6y = -4x + 3
A. (1, 7), (-3, 15) B. (-1, -5), (-3, 3) C. (1, 7), (3, 15) D. (-1, 7), (-3, 15)
Simplify.(3x)0
A. 0 B. 3x C. 3 D. 1
Express the number in scientific notation.2500
A. 2.5 × 10-2 B. 2.5 × 10-3 C. 2.5 × 103 D. 2.5 × 102
Solve the problem. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the objects. A projectile is launched from the origin at an angle of ? radians to the horizontal and an initial speed of 
Find the position function r(t) for this projectile.
A. r(t) = (175t cos ?)i + (175t sin ? - 16t2)j B. r(t) = (175t sin ? - 16t2)i + (175t cos ?)j C. r(t) = (175t sin ?)i + (175t cos ? - 16t2)j D. r(t) = (175t cos ? - 32t2)i + (175t sin ?)j