Unit 4

What am I

100

I am another way to write exponents. What am I?

What is a logarithm (log)?

200

I exist in circles but I am not a degree. What am I?

What is a Radian?

300

I am a way of visually representing data. What am I?

What is a Venn Diagram?

400

I can't be solved because I am not equal to anything. I have a proper name. And if you give me a friend I can be evaluated. What am I?

What is a function notation?

500

I can be found on the outside but I am not whole. What am I?

What is an Arc Length?

Formulas

100

How do you write a function?

What is f(x)?

200

How is a log written?

log _base Answer = Exponent

300

How do you go from degrees to radians?

degree measure x pi/180

400

How do you go from Radians to Degrees?

degree measure x 180/pi

500

How do you find arc length?

Arc Measure/360 x 2pi(r)

Functions/ Log

100

f(x)=4x + 3 What is f(5)

f(5)= 23

200

g(x)= 4x-5 What is g(-2)

g(-2)= -13

300

log₄64=?

?= 3

400

f(x)=x+5 and g(x)=x²-2x

find (f o g)(x)

(f o g)(x) = x²-2x+5

500

log_b81=4 What is b? Then convert to exponential form

b=3 Exponential: 3⁴=81

Degrees/Radians

100

Convert 520 degrees to radians

26pi/9

200

Convert 7pi/5 to degrees

252 degrees

300

How many degrees is pi

180

400

720 degrees is how many radians

4pi

500

2pi is how many degrees

360

Arc Length

100

What is the measure of an arc with a degree measure of 105 and a radius of 6? (in terms of pi)

3.5pi

200

Find the area of an arc that has a degree of 95 and a radius of 10. (Express in terms of pi and round to the nearest hundredth)

26.39pi

300

What is the arc length of a 20 degree angle with a 5 in radius? (Round to the nearest hundredth)

4.36 

400

What is the area of an arc whose angle measure is 75 degrees and the diameter is 16. (Round to the nearest hundredth)

41.89

500

What is the measure of an arc who has a radian of pi and a diameter of 12. (Round to the nearest hundredth)

18.85