TELE HEALTHCARE 1 January 12, 2021
QUESTION 1
Select the graph of the quadratic function Æ’(x) = 4 – x2 . Identify the vertex and axis of symmetry.
5 points
QUESTION 2
Select the graph of the quadratic function Æ’(x) = x2 + 3. Identify the vertex and axis of symmetry.
5 points
QUESTION 3
Determine the vertex of the graph of the quadratic function
5 points
QUESTION 4
Determine the x-intercept(s) of the quadratic functionÆ’(x) = x2 + 4x – 32
(-4,0), (8,0)
(0,0), (7,0)
(4,0), (-8,0)
(0,0), (-7,0)
no x-intercept(s)
5 points
QUESTION 5
Write a polynomial that fits the description.A fifth-degree polynomial with leading coefficient 4
5 points
QUESTION 6
Perform the operation and write the result in standard form.(3x2 + 5) – (x2 – 4x + 5)
5 points
QUESTION 7
Multiply or find the special product.(x+4)(x+9)
5 points
QUESTION 8
Factor out the common factor.8x3 – 104x
5 points
QUESTION 9
Factor the Trinomial.x2 + 14x + 45
5 points
QUESTION 10
Determine whether the value of x=0 is a solution of the equation.5x-3 = 3x+5
5 points
QUESTION 11
Solve the equation and check your solution.67x – 24 = 3x + 8(8x-3)
5 points
QUESTION 12
Solve the quadratic equation by factoring.x2 – 6x + 5 = 0
5 points
QUESTION 13
Solve the equation and check your solution. (If not possible, explain why)
5 points
QUESTION 14
Find the slope-intercept form of the equation of the line that passes through the given point and has the indicated slope m. Sketch the line.(-6,6), m=-2
5 points
QUESTION 15
Evaluate the function at q(3)
5 points
QUESTION 16
Does the table describe a function?
5 points
QUESTION 17
Find the domain of the function.
5 points
QUESTION 18
Find the zeroes of the function algebraically.Æ’(x) = 2x2 – 3x – 20
5 points
QUESTION 19
Find (f+g)(x)Æ’(x) = 2x – 4, g(x) = 6 – x
5 points
QUESTION 20
Find g ∘ fÆ’(x) = x3 , g(x) = x – 1
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