EnterCruice's PT 2

InterestRates

100

$10,000 4% semiannually for 6 years

12,682.42

200

$12,000 7% quarterly for 3 years

14,777.27

300

$12,000 5% monthly for 7 years

17,016.43

400

$17,000 3% quarterly for 2 years

18,047.18

500

$20,000 7% annually for 7 years

32,115.63

Logarithms

100

log₉1/81

-2

200

log₅125

3

300

log₄32

5/2 OR 2.5

400

log₂1/8

-3

500

log₂8

3

LogarithmRules

100

log₄32 - log₄8

1

200

5log_bx + 8log_bz

log_b(x⁵z⁸)

300

log(9/4)

log 9 -log 4

400

log(15x18)

log 15 +log 18

500

log(x²y⁴)

2logx + 4logy

Logarithmic toexponential

100

e^y=9

y=log_e9

200

log₃7=y

3^y=7

300

2=log₄16

4²=16

400

9⁴=6561

4=log₉6561

500

log₉18=2

9²=18

Polynomialinequalities

100

x²+12x+35>0

(-∞,-7)U(-5,∞)

200

x²-2x>0

(-∞,0)U(2,∞)

300

8x²+9x>0

(-∞,-9/8)U(0,∞)

400

2x²-3x>0

(-∞,0)U(3/2,∞)

500

(x-3)(x-5)(x-6)≤0

(-∞,3)U(5,6)