Sketch the graph of the equation. If the graph is a parabola, find its vertex. If the graph is a circle, find its center and radius.10x2 + 10y2 = 100
A. center (0, 0); radius = 10
B. center (10, 10); radius = 10
C. center (10, 10); radius = 
D. center (0, 0); radius = 
Answer: D
Mathematics
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Evaluate the integral.
A. 
sec-1 
x + C
B. 
sin-1 
x + C
C. 
sin-1 
x + C
D. 
sec-1 
x + C
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The graphs of two functions f(x) and g(x) are given.Solve f(x) ? g(x).
A. -1 ? x ? 1 B. x ? -6 or x ? 6 C. x ? -1 or x ? 1 D. -6 ? x ? 6
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Determine whether or not the function is one-to-one.
A. Yes B. No
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Solve the problem.If P dollars are invested at a simple interest rate r (in decimals), the amount A that will be available after t years is A = P + Prt. If $1800 is invested at a rate of 12.7% simple interest, how long will it before the amount of money available is $2142.90?
A. 0.5 yr B. 5.5 yr C. 1.5 yr D. 1.2 yr
Mathematics