Algebra I EOC: Unit 3 Function Fundamentals

What is the domain of the function shown in the mapping?

• {x | x = –5, –3, 1, 2, 6}

• {y | y = –9, –6, 0, 2, 4}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the range of the given function?

• {x | x = –5, 1, 4, 6}

• {y | y = –7, –1, 0, 9}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

To bill customers for water usage, one city converts the number of gallons used into units. This relationship is represented by the equation g = 748u, where g is the total number of gallons of water used and u is the number of units.

Determine which statements about the relationship are true. Choose two options.

• g is the dependent variable.

• u is the dependent variable

• g is the independent variable.

• u is the independent variable.

• The two variables cannot be labeled as independent or dependent without a table of values.

Tags

CCSS.6.EE.C.9

The point-slope form of the equation of the line that passes through (–9, –2) and (1, 3) is y – 3 = (x – 1). What is the slope-intercept form of the equation for this line?

• $y=\frac{1}{2}x+\frac{5}{2}$

• $y=\frac{1}{2}x-\frac{7}{2}$

Which equation represents the line that passes through (–6, 7) and (–3, 6)?

• $y=-\frac{1}{3}x+9$

• $y=-\frac{1}{3}x+5$

Line CD passes through points C(3, –5) and D(6, 0). What is the equation of line CD in standard form?

Tickets to a basketball game can be ordered online for a set price per ticket plus a $5.50 service fee. The total cost in dollars for ordering 5 tickets is $108.00. Which linear function represents c, the total cost, when x tickets are ordered?

• c(x) = 5.50 + 20.50x

• c(x) = 5.50x + 20.50

Tags

CCSS.HSF-BF.A.1A

•  $y-3=2\left(x+\frac{1}{2}\right)$  

•  $y+\frac{1}{2}=3\left(x-1\right)$  
  

 $y-1=\frac{2}{3}\left(x-3\right)$  

Which is the graph of the equation?

• 
• 

What is the y-intercept of the function

f(x)=4 – 5x?