Provide an appropriate response.Tell whether the statement is true or false. If it is false, give the correct answer. Explain.
? 
= x
What will be an ideal response?
The statement is false. The correct answer is 
. 
? 
= 
by the product rule for radicals. Then
= x2/4 = x1/2 = 
. (Explanations will vary.)
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? is an acute angle and sin ? is given. Use the Pythagorean identity sin2 ? + cos2 ? = 1 to find cos ?.sin ? = 
A. 
B. 
C. 
D. 
The graph shown gives the weight of a certain person as a function of age. Find the age at which the person started an exercise program. Select the correct answer.
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Solve the special system by substitution. If the system is dependent, write the solution using set-builder notation with the common line expressed in slope-intercept form.
A. ?
B. 
C. 
D. (-12, 0)
Find an equation in slope-intercept form for the nonvertical lines. Write the vertical lines in the form x = h.Passing through (-1, -4) and (-7, -9)
A. y = 
x - 
B. y = - 
x + 
C. y = 
x + 
D. y = - 
x - 