Find the axis, domain, and range of the parabola.f(x) = -2x2 + 4x - 4
A. axis: x = 2
domain: [-2, ?)
range: (-?, ?)
B. axis: x = 1
domain: (-?, ?)
range: [-2, ?)
C. axis: x = 1
domain: (-?, ?)
range: (-?,-2]
D. axis: x = 2
domain: (-?, -2]
range: (-?, ?)
Answer: C
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Solve the problem.Find the length of the curve y = ln(sin x), ?/6 ? x ? ?/2
A. ln(
+ 2)
B. ln(
+ 1)
C. ln(
)
D. 1 - ln(
+ 2)
A bus company operates four bus routes (A, B, C, and D) and 50 buses. The buses are apportioned among the routes on the basis of average number of daily passengers per route which is given in the following table.
The standard divisor is
A. 500. B. 5000. C. 25,000. D. 250. E. none of these
Multiply using the distributive property.6(-5w + 3)
A. -30w + 18 B. -90w C. -30w + 3 D. 5w - 18
Solve.A baseball player signs a contract with a starting salary of $820,000 per year and an annual increase of 5% beginning in the second year. What will the athlete's salary be, to the nearest dollar, in the sixth year?
A. $1,045,346 B. $1,046,551 C. $1,048,693 D. $1,047,540