Find the quadratic approximation of f at x = 0.f(x) = ln(cos 8x)
A. Q(x) = - 32x2
B. Q(x) = 32x2
C. Q(x) = 1 + 32x2
D. Q(x) = 1 - 32x2
Answer: A
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A. Brand X B. Equal value C. Not enough information D. Brand Y
A geometric sequence is given. Find the common ratio and write out the first four terms.{sn} = {52n}
A. r = 25; s1 = 25, s2 = 625, s3 = 15,625, s4 = 390,625 B. r = 5; s1 = 25, s2 = 625, s3 = 15,625, s4 = 390,625 C. r = 25; s1 = 10, s2 = 20, s3 = 30, s4 = 40 D. r = 10; s1 = 10, s2 = 20, s3 = 30, s4 = 40
Solve the problem.A mutual fund invests $81,600 in small cap stocks and earns 9% per year on the investment. How much money is earned per year?
A. $90,667 B. $906,667 C. $73,440 D. $7344
Complete the square. Then write the trinomial square in factored form.x2 + 
x
A. x2 + 
x; 
2
B. x2 + 
x + 25; 
2
C. x2 + 
x - 
; 
2
D. x2 + 
x + 
; 
2