Find the range of the quadratic function in interval notation.f(x) = -(x + 3)2 + 7
A. (-?, 7]
B. (-?, 3]
C. [-3, ?)
D. [7, ?)
Answer: A
Mathematics
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For the curve r(t), find an equation for the indicated plane at the given value of t.r(t) = (cosh t)i + (sinh t)j + tk; rectifying plane at t = 0.
A. x - y = -1 B. x - y = 1 C. x = 1 D. x = -1
Mathematics
Find ? to the nearest tenth of a degree if cos?= -0.5293 and sin?<0.
What will be an ideal response?
Mathematics
Identify the base used in the computation.
= 42
A. Base ten B. Base five C. Base four D. Base six
Mathematics
Evaluate.(-5)2
A. 10 B. -25 C. 25 D. -10
Mathematics