You earn $9.65 per hour. This week you earned $308.80. Write an equation to find the number of hours, x, you worked this week.
9.65x=308.80
100
Simplify: 2(2x+4)
4x+8
100
60 = 6 + 9x
x = 6
100
Identify the domain and range of the function:
(-1, -3), (0, 4), (4, 5) , (8, 10)
domain: -1,0,4,8
range: -3,4,5,10
100
rewrite: 4x + 22
2(2x+11)
200
Fin earns $7.50 per hour. Use h to represent the number of hours he will have to work to buy a bicycle that costs $90. Write the equation that models the situation.
7.50h=90
200
Simplify:
3(2x - 4)
6x - 12
200
4x + 10 = -6
x = -4
200
evaluate the function f(x)=8x - 2 at x = -3
f(-3) =8(-3) - 2= -26
200
rewrite: -8x - 10
-2 (4x + 5)
300
A doctor charges $100 each time she comes to your house to see you. She also charges $50 an hour while she is there. Her bill for the visit is $250. Write an equation to find the number of hours, h she was at your house.
50h+100=250
300
(50x+20)/5
10x + 4
300
-4 - x/2 = -7
x = -6
300
Evaluate the function f(x) = (x/2) -10 at x =20
f(x) =20/2 - 10= 0
300
rewrite: -6x + 27
3(-2x + 9)
400
Write the inequality for the graph of the compound inequality.
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