For the given parabola, give the coordinates of the vertex, the axis, the domain, and the range.x = 4y2 + 16y + 19
A. vertex: (3, 2);
axis: y = 2;
domain: [3, ?);
range: (-?, ?)
B. vertex: (3, 2);
axis: y = 2;
domain: (-?, 3];
range: (-?, ?)
C. vertex: (-3, -2);
axis: y = -2;
domain: (-?, -3];
range: (-?, ?)
D. vertex: (3, -2);
axis: y = -2;
domain: [3, ?);
range: (-?, ?)
Answer: D
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A. log3125 = 5
B.
| log5125 = 3 |
C. log1255 = 3
D. log53 = 125
The graph of a polar equation is given. Select the polar equation for the graph.
A. r = 8 cos ? B. r sin ? = 4 C. r = 8 sin ? D. r = 4
Solve the equation and check.
x = __________
Fill in the blank(s) with the appropriate word(s).
Find the domain and range of the inverse of the given function.f(x) = x6 + 2, x ? 0
A. Domain: (-?, 0]; range: (-?, 2] B. Domain and range: all real numbers C. Domain: [2, ?); range: [0, ?) D. Domain: [0, ?); range: [2, ?)