Predict the general, or nth term, an, of the sequence.1 ? 4, 2 ? 5, 3 ? 6, 4 ? 7, 5 ? 8 . . .

A. n(n + 3)
B. n(n + 4)
C. n(n - 3)
D. n + 3n


Answer: A

Mathematics

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Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = 8

A. y = u8; u = 5x2 -  - x;  = 87
B. y = 5u2 -  - u; u = x8 = 10x16 -  - x8
C. y = u8; u = 5x2 -  - x;  = 87
D. y = u8; u = 5x2 -  - x;  = 87

Mathematics

Provide an appropriate response.For the hyperbola x2 - 12y2 = 48, if x = 9.2, what are the two values of y?

A. No y values. B. ±1.7981 C. ±1.7474 D. ±31.1076

Mathematics

Write the indicated term of the binomial expansion.(5x + 9)3; 3rd term

A. 675x2 B. 1215x  C. 81  D. 2430x 

Mathematics

Solve. $350 is deposited into an account with interest rate r (in decimal form), compounded annually. The amount in the account after t years is given by  Calculate the amount in the account after 2 years if the interest rate r is 0.05. Round your answer to the nearest cent.

A. $385.88 B. $735.00 C. $3500.00 D. $485.88

Mathematics