AP Pre-Calculus

Find the Inverse

100

y=4 square root of x

f^-1(x)=x^4 for all values that x is greater than or equal to 0

200

Y=3/-x-2

None

300

Are the functions inverse?

g(x)=-4x

f(x)=-6x-1

No

400

Y=-2x-5

Y=-1x/2+5/2

500

Are the functions inverse

G(x)=4/-x+2

F(x)=-4/x+2

Yes

Math History

100

What year is trigonometry taught?

Sophomore or Junior

200

What is trigonometry mostly about?

Calculations of Angles

300

Who invented trigonometry

Hipparchus

400

When was pre-calculus invented

Leonhard Euler wrote the first precalc book in 1748, so that.

500

Which decades were considered the pre-calculus decades

1610-1670

Solve for the Inverse

100

What's the inverse of cos?

Arccos

200

What's the inverse of tan

Arctan

300

Inverse of Sin

Arcsin

400

What's the inverse of a function

Switching the x and y and then solving for y

500

Inverse of Y=3x-4

Y=x/3+4/3

Calculate This

100

Arccos(-1/2)

0

200

Arctan(1)

Pi/4

300

Tan^-1

0

400

Arccos(-1)

Pi

500

Sin^ -1

pi/2

X = ?

100

2x-3=11

7

200

2x+6=4x-2

X=4

300

2x-10=10-3x

X=4

400

-10x-19=19-8x

x=-19

500

17x-12=114+3x

X=9