Use a rational exponent to write the expression.
A. x-7/2
B. x7/2
C. x-2/7
D. -x2/7
Answer: B
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.A hyperbola having a vertex at (0, -5) and eccentricity equal to 2
A. 
- 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
- 
= 1
Test the vector field F to determine if it is conservative.F = 
i + zex+yj + ex+yk
A. Not conservative B. Conservative
Provide an appropriate response. The compound amount when an investment is compounded continuously is expressed by the formula A = Peni, where A is the compound amount, P is the principal, n is the number of years, and i is the interest rate per year. Find the compound amount of an investment of $1,000 at an interest rate of 8% for 20 years if it is compounded continuously.
A. $4,660.96 B. $39,810.72 C. $4,953.03 D. $470.00
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.y2 - 13y + 42
A. (y + 7)(y - 6) B. (y - 7)(y - 6) C. (y + 7)(y + 1) D. Prime