Understanding Functions and Equations

What is the high temperature on day 7 according to the graph?

• 64 degrees Fahrenheit

• 58 degrees Fahrenheit

• 60 degrees Fahrenheit

• 62 degrees Fahrenheit

On which days was the high temperature 61 degrees?

• Day 1, Day 3, Day 5

• Day 2, Day 4, Day 6

• Day 3, Day 5, Day 7

• Day 4, Day 6, Day 8

Is the high temperature a function of the day?

• Yes, because the temperature changes every day

• No, because the temperature is constant

• Yes, because each day has a unique temperature

• No, because some days have the same temperature

What is the equation for Lynn's sister's earnings based on hours worked?

• y = 10.00x

• y = 8.50x

• y = 9.60x

• y = 9.00x

Is y a function of x in the context of Lynn's sister's earnings?

• No, because multiple hours can result in the same earning

• Yes, because the earnings are constant

• No, because the earnings vary randomly

• Yes, because each hour worked results in a unique earning

What is the value of s when m is 0 in the equation 2m + 4s = 16?

• s = 2

• s = 3

• s = 5

• s = 4

What is the value of m when s is 3 in the equation 2m + 4s = 16?

• m = 2

• m = 1

• m = 3

• m = 4

What is the solution for x in the system of equations 7x + 10 = -4x - 23?

• x = 0

• x = -1

• x = -2

• x = -3

What is the value of y when x = -3 in the system of equations?

• y = -10

• y = -11

• y = -8

• y = -9

What is the result of combining like terms in the equation y = -4(-3) - 23?

• y = -14

• y = -13

• y = -12

• y = -11