Find the coordinates of the vertex of the quadratic function.f(x) = (x + 3)2 - 4
A. (-3, 4)
B. (3, -4)
C. (-3, -4)
D. (3, 4)
Answer: C
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Solve the problem.At a certain baseball diamond, the distance from home plate through the pitcher's rubber to the far wall (i.e., to dead center) is 416 feet. Given that the infield forms a square 90 feet on each side, how far is it from third base to dead center. Round your answer to the nearest tenth.
A. 483.8 ft B. 455.7 ft C. 358.1 ft D. 393.3 ft
Use the given vectors to find the indicated expression.v = 5i + 3j + 5k, w = -3i + 5j - 3k, u = 4i + 2j - 5kFind w ? (v × u).
A. 0 B. 206 C. 306 D. 386
Verify that the equation is an identity.sin
= -cos ?
What will be an ideal response?
Solve the system of equations.2x1 + x2 = 0 x1 - 3x2 + x3 = 03x1 + x2 - x3 = 0
A. (0, 1, 0) B. (1, 0, 0) C. (0, 0, 0) D. No solution