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2 years ago

Determine which of the following graphs does not represent a function.

Mathematics

1 answer:

levacccp [35]2 years ago

6 0

let's recall the vertical line test, it's a function if when dropping a vertical line on the graph, it only touches it once on the way down.

Check the picture below.

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Use the expression 28b - 4c. Part B: What is the value of the expression when b = -4 and c = 1? Show your work or explain.

Brilliant_brown [7]

Answer:

The value of the expression is -116

Step-by-step explanation:

Given

$Expression: 28b - 4c$

Required

Solve when b = -4 and c = 1

$Expression: 28b - 4c$

Substitute -4 for b and 1 for c

$Expression: 28*-4 - 4*1$

$Expression = -28*4 - 4$

$Expression = =112 - 4$

$Expression: -116$

<em>The value of the expression is -116</em>

3 0

3 years ago

Is this set of ratios equal?: 4/7 and 9/13

wel

Answer:

NO this set is not equivalent

Step-by-step explanation:

Okay the way you find out if a pair of ratios are equal is you would divide the denominator and nominator with each other, so: 13/7 and 9/4. But sense the answer would be in decimal form and cant be simplified this wouldnt be considered equivalent. Also if you divide 7 by 4 you get a different answer than when you do 13 divided 9.

6 0

4 years ago

Read 2 more answers

How do you write <br> 3.7 × 104 in standard form

Sedbober [7]

the answer is

$37 \times {10}^{ - 1} \times 1.04 \times {10}^{2}$

4 0

3 years ago

On the unit circle, which of the following angles has the terminal point coordinates (√2/2,-√2/2)

aleksandr82 [10.1K]

Answer:

Option B

Step-by-step explanation:

A unit circle means radius of the circle = 1 unit

Let a terminal point on the circle is (x, y) and angle between the point P and x-axis is θ.

Center of the circle is origin (0, 0).

Therefore, ordered pair representing the terminal point will be (OP×Cosθ, OP×Sinθ) = $(\frac{\sqrt{2} }{2},-\frac{\sqrt{2} }{2})$

OP.Cosθ = 1×Cosθ = $\frac{1}{\sqrt{2}}$

Cosθ = $\frac{1}{\sqrt{2}}$

θ = $\frac{\pi }{4}+2\pi n$ , $\frac{7\pi }{4}+2\pi n$ where n = integers

Similarly, OP×Sinθ = 1×Sinθ = - $\frac{1}{\sqrt{2}}$

Sinθ = - $\frac{1}{\sqrt{2} }$

θ = $\frac{5\pi }{4}+2\pi n$ , $\frac{7\pi }{4}+2\pi n$ where n = integer

Common value of θ will be, θ = $\frac{7\pi }{4}$

Option B will be the answer.

5 0

3 years ago

Jordan flipped a coin 492 times. Which of the following would be a good estimate of the number of times the coin landed on heads

Irina-Kira [14]

I'd say B. but that's only because I divided the number of times he flipped the coin by the number of sides it has, 2, and came up with 246. The closest number on here to that is 231 or B. I hope I helped.

6 0

3 years ago

Read 2 more answers