2 years ago

Passes through (0, 1) and (2, 5)

Mathematics

1 answer:

lana66690 [7]2 years ago

8 0

Your answer is going to be y=2x+1

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The function, f(x) = 70n-400, models the profit if the instructor of a guitar class per month, where n is the number of students

Tasya [4]

F(x) = 1,000
70n - 400 = 1,000
70n = 1,000 + 400
70n = 1,400
n = 1,400/70
n = 20

The instructor needs 20 students

6 0

2 years ago

Use the discriminant and select whether the roots of 4x 2 - 3x + 3 = 0 are real or imaginary.

MrRa [10]

To find the discriminant we use b^2 - 4ac

equation of 4x^2 - 3x + 3 = 0
a b c

-3^2 - 4 (4)(3) = -39
if b^2 - 4ac < 0, there are 2 complex roots or...no real roots...in this case imaginary.

8 0

3 years ago

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Yakvenalex [24]

Answer:

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Step-by-step explanation:

7 0

2 years ago

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Ahmad had 6/7 of a spool of yarn. He used 2/5 of his yarn for a project. What fraction of the spool was used for the project?

GaryK [48]

Answer:

$\dfrac{12}{35}$

Step-by-step explanation:

2/5 ths of 6/7 ths:

$\implies \dfrac67 \times \dfrac25=\dfrac{6\times 2}{7\times5}=\dfrac{12}{35}$

4 0

2 years ago

What is the solution to this inequality? (x | x < 7)

VARVARA [1.3K]

Answer: The answer is at the bottom.

Step-by-step explanation:

Write

as a piecewise.

Tap for more steps...

{

≥

−

Solve

when

≥

Tap for more steps...

≤

√

Solve

−

when

Tap for more steps...

Find the union of the solutions.

√

The result can be shown in multiple forms.

Inequality Form:

√

Interval Notation:

(

−

∞

√

)

8 0

2 years ago