Graph the ellipse and locate the foci.16x2 + 4y2 = 64
A. foci at (2, 0) and (-2
, 0)
B. foci at (0, 2) and (0, -2
)
C. foci at (, 0) and (-
, 0)
D. foci at (2, 0) and (-2
, 0)
Answer: B
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Determine if the relation is a function.
A. Not a function B. Function
Solve.The pitch of a screw is the distance between threads. With each complete rotation of the screw, it goes in or out a distance equal to its pitch. How far will a screw with a pitch of in. go into a piece of wood when it is turned 10 complete rotations clockwise?
A. in.
B. in.
C. in.
D. in.
Simplify the expression.(-7)0
A. Exponent: 1, base: -7 B. Exponent: 0, base: -7 C. Exponent: 0, base: 0 D. Exponent: -7, base: 0
Give the largest interval where the function increases or decreases, as requested.f(x) = 5x2 + 2; increases
A. (0, ?)
B.
C.
D. (-?, 0)