Solve the equation by finding an expression for the determinant on the left, and then solving using the appropriate method.
= 9
A. {15}
B. {3}
C. {-3}
D. {9}
Answer: A
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Solve the problem.The price p (in dollars) and the quantity x sold of a certain product obey the demand equation p = -20x + 560, 0 ? x ? 28.What price should the company charge to maximize revenue?
A. $21 B. $14 C. $7 D. $16.8
Use the root test to determine if the series converges or diverges.
A. Diverges B. Converges
Graph the quadratic function. Determine the vertex, find the equation of the axis of symmetry, find any x- and y-intercepts, and state the domain and range in interval notation.f(x) = x2 + 6x + 5
A. vertex: (3, 4)
axis of symmetry: x = 3
x-intercepts: 1 and 5; y-intercept: -5
domain: (-?, ?); range: (-?, 4]
B. vertex: (-3, 4)
axis of symmetry: x = -3
x-intercepts: -1 and - 5; y-intercept: -5
domain: (-?, ?); range: (-?, 4]
C. vertex: (-3, -4)
axis of symmetry: x = -3
x-intercepts: -1 and - 5; y-intercept: 5
domain: (-?, ?); range: [-4, ?]
D. vertex: (3, -4)
axis of symmetry: x = 3
x-intercepts: 1 and 5; y-intercept: 5
domain: (-?, ?); range: [-4, ?]
Provide an appropriate response.Is it correct to simplify 24 ? 42 as 88?
What will be an ideal response?