Simplify the expression.
A. 2
B. 4
C. -2
D. not a real number
Answer: D
Mathematics
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Solve the inequality.-4(4x + 15) < -20x - 28
A. {
x < 8}
B. {
x < -20}
C. {
x > 8}
D. {
x > -20}
Mathematics
Determine whether the given function is even, odd, or neither.f(x) = 3x5 + 6x3
A. Even B. Odd C. Neither
Mathematics
Subtract. Simplify, if possible.-16 - (-4)
A. -20 B. 12 C. -12 D. 20
Mathematics
Sketch by hand the graph of the function. Give the coordinates for the vertex.y = -0.2x2 + 0.6x + 7.9
A. vertex: (-1.5, 8.35)
B. vertex: (1.5, 8.35)
C. vertex: (-1.5, 7.45)
D. vertex: (1.5, 7.9)
Mathematics