Practice for 1.5-1.7

Eliminate the parameter. Convert the parametric equation to rectangular. x= 2+4t and y=-1+6t

• y=(3/2)x - 4
• t=(x-2)/4
• y=x - 4
• y= (2/3)x + 4

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

Sketch the curve of x(t) = 2t + 1 and y(t) = t² + 2.

• A
• B
• C
• D

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

If x(t) = 5t² and y(t) = 3 - t, find the point on the graph when t = -1

• (5, 2)

• (-5, 3)

• (5, 3)

• (5, 4)

The inverse has been reflected over which line?

• y = x
• y =1
• y = 0
• y = x + 1

Tags

CCSS.HSF-BF.B.4B

If the equation of f(x) goes through (1, 4) and (4, 6), what points does f^-1(x) go through?

• (1, 4) and (4, 6)
• (-4, -1) and (-6, -4)
• (-1, -4) and (-4, -6)
• (4, 1) and (6, 4)

Tags

CCSS.HSF-BF.B.4C

TRUE or FALSE?
If f(g(x)) = x, then f and g must be inverses of one another.

• TRUE
• FALSE

Tags

CCSS.HSF.BF.B.4

Determine f^-1(2) given the following information about an invertible function, f(x)
f(1) = -3
f(2) = -2
f(-1) = 2
f(3) = -1

• 1
• -1
• 2
• -2

Tags

CCSS.HSF.BF.B.4

CCSS.HSF.IF.A.2

TRUE or FALSE
The inverse of f(x) = x² is g(x) = √(x).

• TRUE
• FALSE

Tags

CCSS.HSF.BF.B.4

CCSS.HSF.IF.B.5

Are these inverse functions?

• no
• yes
• no way to tell

Tags

CCSS.HSF-BF.B.4B

How must the domain of f(x) be restricted such that g(x)=f^-1(x) ?

• x ≤ 0

• x ≥ 0

• x ≤ 3

• x ≥ 3

Tags

CCSS.HSF-BF.B.4D