Pre Calculus Exam Review

2. What is the finish actions of the feature 3x7 +2x6 -3x4 - x2 + x - 46?

As x→ - ∞, f→ - ∞, and also as x→∞, f→ - ∞.As x→ - ∞, f→∞, and as x→∞, f→ - ∞.As x→ - ∞, f→∞, and as x→∞, f→∞.As x→ - ∞, f→ - ∞, and as x→∞, f→infty.

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3. What is
*
?

x3 - x2 + 5x - 13x2 + 13x - 7x2 + 7x - 13x2 - 3x + 13

4. Which of the following polynomials have precisely 3 actual roots, x = 1, -1, and also 3?

x4 -3x2 + 2x - 8x4 - x3 -7x2 + x + 6x5 -3x4 - x + 3x4 +3x2 - 4

5. What is the remainder of
*
?

1838028

6. How many kind of possible positive and negative actual roots does the attribute x3 -4x2 + 3x - 2 have?

1 or 3 positive, 0 negative0or2 positive, and 1 negative0 positive and also 1 negative1 positive and 0 or 2 negative

7. The function
*
has what asymptotes, if any?

A vertical asymptote at x = 2A horizontal asymptote at x = 3A vertical asymptote at x = 0 and also an oblique asymptote at y = xA vertical asymptote at x = 2 and also an oblique asymptote at y = x - 2

8. Which of the adhering to expressions is not equal to the others?

logax
*
*
*

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9. The exponential rate of degeneration of a substance is .08 per year. What is the half-life of this substance in years?

12.5 years 56.5 years 8.66 years 10.035 years

10. Which of the complying with bank accounts will certainly be worth the most in 10 years?

$11,000 at 10% straightforward interest$9,450 at 9.0% compounded daily$9,800 at 8.5% compounded continuously$9,500 at 9.0% compounded quarterly

12. Which of the following is a formula for every one of the quadrantal angles?

0≤θ Πθ =
*
, wright here n is an integerθ = 2nΠ, where n is an integerθ = (
*
+1)
*
, wbelow n is an integer

13. Which of the adhering to is not equal to the others?

sin(Π/2)cos(2Π)tan(csc
*

14. Which expression is unequal to the others?

sin2(x)csc2(x)cos2(x) - sin2(x)sec2(x) - tan2(x)csc2(x) - cot2(x)

15. Which of the complying with does not settle the equation sin(x)cos(x) = 0?

x =
*
x =
*
x =
*
x =

16. What is the amplitude and duration of the function f (x) = 2 cos(2x)?

Amplitude: 1; Period: 2ΠAmplitude: ; Period: ΠAmplitude: 4; Period: Amplitude: 2; Period: Π