Is y = 3x² + 2 a function or not?

2 answers:

8 0

A function would have one Y value for every X value.
If you replace X with any number and solve the equation there would be a different Y value every time, so this equation is a function.

Mama L [17]4 years ago

8 0

Yes, it's a quadratic function.

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What's the distance between (0,2) and (0,8)?

N76 [4]

Answer:

6 units

Step-by-step explanation:

The distance between two points can be calculated with the formula

$\boxed{\textcolor{steelblue}{\text{Distance between 2 points}= \sqrt{(y_1 - y_2)^{2} + (x_1 - x_2)^{2} } }}$

However, since (0, 2) and (0, 8) have the same x coordinate of 0, the distance between them is the difference in their y-coordinates.

Distance between (0, 2) and (0, 8)

= 8 -2

= 6 units

7 0

2 years ago

ANSWERED

kvv77 [185]

Answer:

c but you have it so thanks

Step-by-step explanation:

6 0

3 years ago

The area of a triangular block is 49 square inches. If the base of the triangle is twice the height, how long are the base and t

andrezito [222]

1) Formula: area = height * base / 2

2) Call x the height:

height = x

base = 2x

3) State the equation:

(x)(2x) = 49 in^2

4) Solve the equation:

2x^2 = 49 in^s

x^2 = (49/2) in^2

x = √(49/2) in

x = 7√2 / 2 in = 3.5 √2 in

5) Solution:

height = 3.5 √2 in and base = 7√2 in

6) Verification: area = (7√2 in) (3.5√2 in) = 49 in^2

Answer: height = 3.5√2 in and base = 7√2 in.

5 0

3 years ago

HELPPPPPPPPPP PLEASE

Sophie [7]

Answer:

The answer is in the above attachment.