Warm-Up You decide to invest your money into a money market account that receives 6.5% interest compounded monthly. How long will it take for your money to double?

Warm-Up Write down one thing that you are still unsure of that you want to go over before we review!

Switch to exponential form. Log715=x 100 A: 715=x B: 7x=15 C: 15x=7 D: 15 7=x

200 Switch to Logarithmic Form 12x=3 Log123=x Log12x=3 Log3x=12 B: Log12x=3 C: Log3x=12 D: Log312=x

Write the equation of the ln graph shifted up 4 and left 1 300 A: Ln(x+4)-1 B: Ln(x-1)+4 C: Ln (x+1)+4 D: Ln (x+1)-4

Use the Change of Base formula to get 500 Use the Change of Base formula to get Log715 Log23 Log5(-5) A: 1.39; .63; DNE B: .72; .63; -1 C: 1.39; 1.58; DNE D: 1.39; 1.58; 1

Use properties of logs to solve Ln e=_____ Log 103=_____ 1000 A: 1; 3 B: 0; 10 e; 10 e; 3 C: D:

2000 Expand this logarithm Log(10xy) Log 10x-log y Log 10+log xy B: Log 10+log xy C: Log 10 +log x+log y D: 1+log x+log y

4000 Combine into one logarithm Log3x +2log3y-4log3z Log3xy2/z D: log3xy2/z4

8000 Given logx 2 = 0.3562, logx 3 = 0.5646, and logx 5 = 0.8271, Evaluate logx 18 A: .1135 B: 1.4854 C: 3.1396 D: 2.5753

16,000 y = (1/7) x + 3 HA=_____ y-int=_____ Y=3; (0,4) Y=0; (0,3) B: Y=0; (0,3) C: Y=3; (0,3) D: Y=0; (4,0)

32,000 y = - ln (x –2) VA=_____ X-int=_____ X= -2, (-3,0) X= 0; (1,0) B: X= 0; (1,0) C: X= 2; (3,0) D: X= 2; (2,0)

64,000 What is the compound Interest Formula? 15; 35; 22 19; 35; 15 B: 15; 35; 22 C: 19; 35; 15 D: 35; 22; 19

125,000 Solve for x 3 (1 + e 2x) = 4 -.5493 .4236 1.5 -.2386 A: B: C: D: -.2386

250,000 Solve for x log2 x – log2 3 = 15 98304 10922.66 90 10 A: B: C: D: 10

500,000 Determine the amount of money in a money market account providing an annual rate of 6% compounded monthly if Marcus invested $2000 and left it in the account for 7 years. 500,000 $1312.71 $120,484.48 A: B: $34,171.88 $3040.74 C: D:

1,000,000 The population P of a city is given by P=95,300e0.055t, where t=0 represents 1996. According to this model, when did the population reach 150,000? A: 2008 B: 2000 C: 2004 D: 2007

100 – 1 point (B) 7x=15 °

200 – 2 points (A) Log123=x

300 – 3 points (C) Ln (x+1)+4

500 – 4 points (C) 1.39; 1.58; DNE

1000 – 5 points (A) 1; 3

2000 – 6 points (D) 1+log x+log y

4000 – 7 points (D) log3xy2/z4

8000 – 8 points ( B ) 1.4854

16,000 - 9 points (A) Y=3; (0,4); R

32,000 – 10 points (C) 2; (3,0); x>2

64,000 – 11 points (B)

125,000 – 12 points (B) X=-.5493

250,000 – 13 points (A) x = 98304

500,000 – 14 points (D) $3040.74

1,000,000 – 15 points (C) 2004

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