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LenaWriter [7]
3 years ago
7

Which of the following are not linear functions? Place a check mark in the box next to each equation that is not a linear functi

on.
A. x = 4
B. y = 5
C. y = 3x + 2
D. y = 2x 2 + 1
E. y = x 2
Mathematics
1 answer:
insens350 [35]3 years ago
5 0

Answer:

D. y = 2x² + 1

E. y = x²

Step-by-step explanation:

Linear function:

A linear function has the following format:

y = ax + b

In which a is the slope and b is the y-intercept. A constant function is linear, as it is the special case in which a = 0.

In this question:

In options D and E, the highest exponent of x is 2, which means that they are not linear functions, and so these options are the answer.

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Andrew, Brenda and Cammi all work part-time at a supermarket. Cammi earns $20 more than Andrew
stellarik [79]

Step-by-step explanation:

Let Andrew wage be = X

Cammi earns $20 more than Andrew So Cammi earns = 20 + X

Brenda earns $30 less than twice Andrew's wage

So she earns = 2X - 30

Their total combanied wage is $400

So Andrew + Cammi + Brenda = $400

X + 20+X + 2X-30 =400

4X - 10 =400

4X=400+10

4X=410

X= $102.5

So Andrew earns $102.5

Cammi earns $122.5

Brenda earns $175

4 0
2 years ago
The table represents some points on the graph of a linear function.
Sunny_sXe [5.5K]

Answer:

B. -\frac{9}{2}

Step-by-step explanation:

Rate of change of y with respect to x, can be calculated using any two of the pairs of values of the table, say, (-2, 12) and (0, 3).

Rate of change = \frac{y_2 - y_1}{x_2 - x_1}

Let,

(-2, 12) = (x_1, y_1)

(0, 3) = (x_2, y_2)

Plug in the values

Rate of change = \frac{3 - 12}{0 - (-2)} = \frac{-9}{2} = -\frac{9}{2}

7 0
2 years ago
Algebra 2 How many Real solutions does the equation have? X-1 squared = x-4
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The solutions are where the lines cross each other.

The lines only cross each other once so there is 1 real solution.

Answer: 1

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Solve the following equation for x
nasty-shy [4]
The answer is x= \frac{17}{15}

Hopes this helps ya!
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castortr0y [4]
• Prime factorization = divide by prime factors
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