Statistics #1
Families and functions&shifting
Statistics #2
logarithms
mixed
100
Evaluate the following:
1) 5!(7-2)!
14,400
100
name the function / describe
y=4|x+3|+2
A)Absolute value function
B)Stretch / left 3 / up 2
100
Use the calculator to evaluate :
1)4
2)16
1) 2
2)4
100
using the change of base formula:
logb m=log m/log b
1)log81 27
1)log 27/log 81 =0.75
100
Evaluate the expressions:
1)9p2
2)8c4
3)6p6
1)72
2)70
3)720
200
Evaluate the following:
1)25!
1.551121004
200
Name the graph:
Cube root function
200
simplify the following:
1)x^5+x^7
2)(3x^2)^4
1)X^12
2)81 X^8
200
solve the following:
1)log2(2x+4)=3
1)2^3=2x+4
8=2x+4 4=2x x=2
-4 -4
200
fifteen students ask to visit a college admissions counselor.each scheduled visit includes on student.In how many ways can ten time slot be assigned?
15P10
1,089
300
In how many ways can you file 15 folders,in a drawer?
15,14,13,12,11,10,9,8,7,6,5,4,3,2,1
15!=1.307674368
300
Name the function / Describe what happened /Sketch
y=1/2(x+4)-3
A)Quadratic function
B)Shrink/Left 4/down 3
300
Simplify the following: ( you must break up the radicals ):
1)
20
2)
1) 4 5
25
2)
4
300
Write logarithmic equations in exponential form:
1)log2 8=3
2)log6 9=3
3)log7 5=2
1)2^3=8
2)6^3=9
3)7^2=5
300
Evaluate the expression
1)6c2+6c3
1)15+20 35
400
Evaluate the following:
A)8!
b)9!
c)(7-2)!
A)40,320
B)362,880
c)120
400
A) Name the graph
Name/Describe/Sketch | y=(x-4)^3-5
A)Absolute value function
B)Cubic function / right 4 /down 5
400
Rationalize the denominator:
1) 2 /6
2)3/3y
1)6/6=12/36=2/6
2)3/3=9/9y=3/3y
400
Evaluate logarithm:
1)log2 4
2)log6 216
3)log8 32
1) y= 2y=4 y=2
2)y= 6y=216 y=3
3) y= 8y=32 /(2^3)^y=(2^5)
3y=5 y=5/3
400
1)y=8000(1.15)
2)y=20(0.75)
1) a=8000 b=1.15
exponential growth y-int (0,8000)
2)a=20 b=0.75
exponential decay (0,15)
500
A student has gotten the following grades on his tests:55,88,67,and 90.He wants an 85 or better overall.what is the minimum grade he must get on the last test in order to achieve that average?
5 x 55+88+67+90+x =85 x 5
__________________
5
300+x=425 x=125%
500
A)Name B)Describe C)Sketch
1)y=7|x+6|+3
2)y=5(x-4)^3+4
3)y= -2(x+5)^2-3
1) A)Absolute value function
B) Stretch/left 6/up 3
2) A)cubic function B)Stretch/right 4/up 4
3) A)Quadratic function B)shrink/left 5/down 3
500
Determine whether the following following can be added/subtracted:
1)8+22
2)85-25
1)You can't they don't have the same numbers.
2)610
500
Evaluate a logarithm
1)log4 2
2)log27 3
1)4y=2
(2^2)=1/2 2y=1 y=1/2
2)27y=3
(3^3)^y=3^1 3y=1 y=1/3
500
Find the mean,median,mode,range:
78,75,62,63,61,63,86,92,98
1)78+75+62+63+61+63+86+92+98 %9
678%9 75.3(mean)
2)61,62,63,63,75,78,86,92 ,98 75 median
3)63
4)98-61=37