# Unit 4 Test

Unit 4 Test (page 1 of 3) AP Math 12 Pre-Calculus 2020-2 Simplify the following and write with positive exponents: 52-5 (3z)-2 of Select one: O a. none of these b. 45 B c. 45 d. 225 23 e. 225 25 7 Solve for 8 -1+3=- Window Help Safari File Edit View History View History Bookmarks Develop SOLUTION: PI ο «Σε Unit 4 Test (page 1 of 3) Question 2 Solve for x: Not yet answered -1+34= 8 9 Marked out of 1 Flag question Select one: O a. x=2 Ob. x=- 1 2 Oc. X = 2 PLEASE beter O d. x= -2 e. No Solution Question 3 Not yet Change y = log2 x to exponential form. answered Select one: Marked out of 1 a. X = 3 P Flag question b.y = x3 C. X= y d. y = x Question 4 Not yet Solve for y: x=log Safari File Edit view 000 30 0 Unit 4 Test (page 2 of 3) Math 12 Pre-Calculus 20 CEAP Question 6 Write as a single logarithm: 5log A-log2B+3 Not yet answered Select one: Marked out of O a. 845 1 log2 BAND P Flag question O b. 9A5 log2 B O Clog, (8+A5-B) O d. log (9+A9-B) Question 7 Solve: log (3-x)+log x= 1 Not yet answered Select one: Marked out of a. no solution P Flag a b. 1, 2 question C.1 d. 2 Question 8 Solve: 50954 +3logsa – 16 4 C Safari File Edit View History Bookmarks Develop Window Window Help «Σ cmoodle.sd69.bc.ca c Unit 4 Test (page 2 of 3) SOLUTION: Pre Calculus 12 Test – Calculus Home Question 8 Solve: 5 log;a +3 +3logga = 16 Not yet answered Marked out of Select one: O a.2 O b.4 p Flag question O c.3 O d. 5 Question 9 Solve: x2-5x=logzx Not yet answered Marked out of Select one: O a. 5.29 P Flag question b. 0.12, 5.20 O c. 5.20 O d. 0.26, 5.29 Question 10 Not yet answered A certain bacterium triples its population every five hours. If there are 200 of these bacteria at t= 0 minutes, how many will there be after 160 minutes? Marked out of Select one: O a. 359 F Flag question O b.459 OC. 200 d. 400 JUN 26 ? A MacBook esc 0 FI BO F3 000 F2 000 F4 F5 F6 F7 ll F8 F9 F10 @ $ % ^ 2 & * 3. File Edit View Safari poo History Bookmarks Develop Window Help SH cmoodle.sd69.bc.ca Unit 4 Test (page 3 of 3) Question 14 Not yet Determine the range of the function y=-34+5 answered Select one: Marked out of 1 O a.y5 question O c.y

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