 # Pre - Calculus Questions

## Transcribed Text

1. Graph the following -2 a. f(x) r+1 2.+5 b. g(x) x+1 2 c. +1 2. Fina all the zeros of each polynomial function. a. f(x) = 3-922+ -25r-17 b. g(x) = IS 5x2 + 7.+13 c. k(x) = 23 5x2 6 3. Solve each logarithmic equation. a. log(x 1) + log(. +2) = 1 b. log(x 8) + log(2 1) 1 a. In(2x 3) In(a +3) = 0 a. log2(3er 2) +1) 3 4. Graph from 2 full periods. a. y 2sin (>+3) -1 a. y 2000(=- +1 a. y= 3sin (2r-=)-1 5. Prove the identities. cos.r. 1-sing a. +sin. 1 1 b. 2tan2 . eser 1 esc+ c. + cos.r. = secr 6. Solve the trig equations on the interval 10, ,2x) a. 2sin (=->)+1=2 b. 2sin (=- +1=0 c. 2sin 0 Sisin 0+2=0 d. 2sin2 x CXXS: 0 7. Graph the following equations on a polar grid. a. 2oce b. sin6 c. cos6 d. =2+4cosf 8. Solve the system using reduced row reduction x 2y + z = -1 x + 3y = -4 3x + y z = 4 y + 3z = 7 y + z = 1 4x + z = 6 9. Solve the system using any method 3 5x - 2y = 7 25 + 8 = 2 10. Graph the following a. 4.2 932 8.r +36g+4=0 b. 02 - 922 + 18.r 4y = 14

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