TEKS.MATH.9-12.VII.B

Identify the y-intercept (initial value) of the function f(x)=2(4)^x.

• 2
• 4
• (2)^x
• 8

Tags

TEKS.MATH.9-12.VII.B

TEKS.MATH.9-12.VII.B.1

What is the derivative of tan(x)?

• -sec²(x)
• -csc²(x)
• sec²(x)
• csc²(x)

Tags

TEKS.MATH.9-12.VII.B

Find the vertex of 
f(x) = -x² - 4x + 12.

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)

Tags

TEKS.MATH.9-12.VII.B

TEKS.MATH.9-12.II.B

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

Tags

TEKS.MATH.9-12.VII.B

True or false:
The x-intercept of a function ALWAYS occurs where y is equal to zero.

• True
• False

Tags

TEKS.MATH.9-12.VII.B

Given the function f(x) = 4x² - 5, what is the range?

• All real numbers greater than or equal to -5
• All real numbers
• All real numbers greater than or equal to 5
• All real numbers less than or equal to -5

Tags

TEKS.MATH.9-12.VII.B

What is the slope in the equation
y = 2x + 3

• 2
• 3
• 5
• 2/3

Tags

TEKS.MATH.9-12.VII.B

f(x) = -3x⁴ + x³ - 2x² + x - 1

State the maximum and minimum number of zeros for f(x).

• Max: 4 Min: 1

• Max: 3 Min: 0

• Max: 4 Min: 0

• Max: 3 Min: 1

Tags

TEKS.MATH.9-12.VII.B

A parabola is upside-down when a is:

• negative

• positive

• 0

• infinite

Tags

TEKS.MATH.9-12.VII.B

What is the axis of symmetry of y=2x² - x - 6?

• x = 1/4

• x = -1/4

• x = 49/8

• x = -49/8

Tags

TEKS.MATH.9-12.VII.B