Match the description with its graph.
A. A line with negative slope and a positive y-intercept.
B. A line with negative slope and a negative y-intercept.
C. A line with positive slope and a positive y-intercept.
D. A line with positive slope and a negative y-intercept.
Answer: A
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Solve the problem.Find the center of mass of the rectangular solid of density defined by
,
,
.
A. =
,
= 2,
=
B. =
,
=
,
=
C. =
,
= 1,
=
D. =
,
=
,
=
If the function is one-to-one, find its inverse. If not, write "not one-to-one."f(x) =
A. f-1(x) =
B. f-1(x) =
C. f-1(x) =
D. not a one-to-one
Use synthetic division to find the quotient and the remainder.x2 + 9x + 18 is divided by x + 4
A. x + 5; remainder 0 B. x + 6; remainder 0 C. x + 5; remainder 2 D. x + 5; remainder -2
Find the perimeter. Use 3.14 for ?.
A. 82.8 yd B. 47.1 yd C. 31.4 yd D. 61.4 yd