Vocab Midterm

Question 0

Domain

Answer 0

Set of all possible X values

Question 1

Rational function

Answer 1

An algebraic fraction such that both the numerator and denominator are polynomials

Question 2

Range

Answer 2

Sets of all possible Y values

Question 3

Point of discontinuity/hole

Answer 3

Undefined values that are determined from the elliminated factor of the denominator represented as an open or close circle

Question 4

Vertical asymptote

Answer 4

dashed line that represents the undefined value determined from the remaining factor of the denominator

Question 5

Horizontal asymptote

Answer 5

The line that Y value approaches but never reaches represented by a dashed line

Question 6

Undefined value

Answer 6

Any value of X that would make denominator equal to zero

Question 7

Trigonometric functions

Answer 7

The three trig functions: SIN COS TANG

Question 8

Reciprocal trig functions

Answer 8

The reciprocal of the three trig functions : COSECANT COTANGENT SECANT

Question 9

Inverse trig functions

Answer 9

The inverse of the three trigonometric functions SIN-1x COS-1x TAN-1x

Question 10

Soh-cah-toa

Answer 10

SINE=OPP/HYP
COS=ADJ/HYP
TAN= OPP/ADJ

Question 11

Angle of elevation

Answer 11

Angle between horizontal and the line from the object to observers eye

Question 12

Angle of depression

Answer 12

Congruent to the angle of elevation

Question 13

Special right triangles

Answer 13

45–45–90 and 30-60-90 triangles

Question 14

Solving a right triangle

Answer 14

Determined from finding all missing sides and lengths

Question 15

30-60-90

Answer 15

HYPOTENUSE = 2X

SHORT LEG = X

Question 16

45-45-90

Answer 16

Congrent on each side and an xover radical 2