stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Precalculus Review Flashcards | StudBud
Explore
/
Precalculus Review
Precalculus Review
15 terms
·
StudBud Administration
·
105 plays
Imported from external platform
Flashcards
15 cards
F
Practice quiz
P
Host live
L
Questions
15
Answers
1
Difference Quotient: f(x)= 2x
1
0
-2
2
2
Find the Sum: f(x)= (6√x)-5 g(x)=x
2
+7
(f+g)(9)
101
<p>75</p>
9
-75
3
Interval notation: x<4
(∞,4)
[-∞,4]
(-∞,4]
(-∞,4)
4
Find the Zerosof the Polynomial Function: x
3
-12x
2
+47x-60
{3, 4, 5}
{0}
{4, 7, 9}
{-3, 4, 5}
5
Inverse Functions: f(x)=x
2
+5 g(x)=x-7
x2-7x+54
x2-14x+27
x2-28x+108
x2-14x+54
6
Logarithmic Functions and their Applications: Find x: log5(x)=3
<p>x=125</p>
x=3
x=5
x=10
7
More Equations and Applictions: Combine the logarthmic Expression: 2log
5
x+3log
5
2
log2(8x5)
log5(2x8)
log8(5x2)
log5(8x2)
8
Complex Number: i
7
-i
i
-1
<p>1</p>
9
Function Notation: f(x) = x
2
+5x –24 Find f(0)
-24
-23
24
0
10
Find the Quotient: f(x)= (4√x)-7 g(x)= x
2
(f/g)(4)
<p>1/16</p>
<p>1/4</p>
<p>16</p>
<p>4</p>
11
The Theory of Equations: What is y=9
x
, two units to the left, 4 units up?
y=9x-4+2
y=9x-2+4
y=9x+4+2
y=9x+2+4
12
Complex Number: (3+4i)-(7+2i)
-i
-4+2i
i
<p>-4-2i</p>
13
Jose invests $500,10% compounded quarterly, find amount of invest. at end of 5 yrs.
$819.31
$831.19
$719.31
<p>$801.42</p>
14
Inverse Function: f(x)= 6x-2
x+1/2=f-1(x)
(1/6x)+1/2=y
(1/6x)+1/2=f-1(x)
x/6+2/6=f-1(x)
15
Rules of Logarithms: Expand Log: log
5
(
x
3
)
3log5(x)
xlog5(3)
5y=x3
5log3(x)
