- ELEMENTARY FUNCTIONS–
782.Solve: 2x2 = 8
a. 16
b. 8
c. 4
d. 2
783.Solve: 2x^2 .ex – 7xex+ 6ex = 0
a.^23 and 2
b.^32 and –2
c.^32 and 2
d.–^23 and 2
784.Solve:e^2 x+5ex– 6 = 0
a. 2 and 3
b. 0
c.–3 and –2
d.–3, –2, and 0
Set 50 (Answers begin on page 247)
This problem set focuses on basic computations
involving logarithms.
785.log 3 27 =
a.–2
b. 2
c.–3
d. 3
786.log (^3) ^19 =
a. 2
b.–2
c. 3
d.–3
787.log 8 =
a. 16
b. 3
c.–3
d. 4
788.log 7 7 =
a. 0
b. 1
c.^12
d.–1
789.log 5 1 =
a. 0
b.^15
c. 1
d.–^15
- log 16 64 =
a.^23
b.–^23
c. 4
d.^32
791.If log 6 x= 2, then x=
a. 6
b. 12
c. 36
d.–36792.If 5a= x, then logax=
a.loga5 – ^12 logaa
b.loga5 + ^12 logaa
c.loga5 + 2 logaa
d.loga5 – 2 logaa793.log 3 (3^4 93 ) =
a. 8
b. 10
c. 6
^1 d.^12
2