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lubasha [3.4K]
3 years ago
6

Graph each function, and identify it's domain and range.​

Mathematics
1 answer:
kaheart [24]3 years ago
6 0
Use desmos, great and helpful app
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Audrey has $111 to spend on a tennis racket and lessons. The racket costs $55 and the lessons cost $14 per hour. Define a variab
Mnenie [13.5K]

Answer:

Audrey can afford 4 hours of lesson.

Step-by-step explanation:

Given that:

Amount Audrey has to spend = $111

Cost of racket = $55

Cost per lesson = $14

Let,

y be the total cost

x be the number of hours

According to given statement;

y = 14x + 55

111 = 14x + 55

111 - 55 = 14x

14x = 56

Dividing both sides by 14

\frac{14x}{14}=\frac{56}{14}\\x=4

Hence,

Audrey can afford 4 hours of lesson.

7 0
3 years ago
WILL GIVE BRAINLIEST! PLS HELP!!!
velikii [3]

Answer: 140m

Step-by-step explanation:

8 0
2 years ago
Why is 1/6 greater than 1/8 but less than 1/3??
ollegr [7]
1/6 is greater than 1/8 but less than 1/3 because: think of 1 slice taken away from a pizza with 6 slices, now think of 1 slice taken away from a pizza with 8 slices. Do the same with the last pizza. Think how much space was taken away from each pizza.
3 0
3 years ago
Read 2 more answers
For a party, Susan estimated there would be 14 people in attendance, but only 12 showed up. What was the percent error in her es
neonofarm [45]

Answer:

16.7% (rounded)

Step-by-step explanation:

Step 1. Make a proportion, which is 2/12 times x%/100

Step 2. Cross multiply = 2*100/12

Step 3. Solve = 16.(6) or, 16.7% rounded!

5 0
2 years ago
Read 2 more answers
I need help with my algebra II!!
sweet-ann [11.9K]
1st:
f(x) = x^2.
f(x +1):  Anywhere we see x we replace it with (x+1)

f(x+1) = (x+1)^2 , Expand
(x+1)^2 = (x+1)(x+1) = x^2 + 2x + 1=  C.

2nd:
Noting general equation, y = mx + c
m = slope,  c = vertical intercept.
From the graph, slope =  (2,0) and (0, -4)
=  (-4 -0) / (0 - 2) = -4/-2 = 2.
Vertical intercept, c = -4.
y = mx + c ,  y = 2x + (-4),    y = 2x - 4 =  D.

3rd:
f(x) = x^2 - x,  f(-4).  we would substitute x = -4.

f(-4) = (-4)^2 - (-4) = 16 + 4 = 20 = D.
Cheers.

3 0
3 years ago
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