ERGENT

Mathematics

1 answer:

olga2289 [7]2 years ago

8 0

Answer:

y=x+5

Step-by-step explanation:

The line of the equation y=x+5 contains points (-3,2) and (1,6)

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Slope-Intercept Find “y” alone 2( y - 3 ) = 10x + 4

Anettt [7]

Answer: y = 5x + 5

Step-by-step explanation: Okay follow these steps to get y alone.

2 ( y - 3 ) = 10x + 4

2y - 6 = 10x + 4

2y = 10x + 10

y = 10/2x + 10/2

y = 5x + 5

6 0

2 years ago

Help with a problem again please

Talja [164]

Answer:

9x³ + 27x²

Step-by-step explanation:

What the question is asking is to multiply f(x) and g(x) together:

Step 1: Write out expression

(fg)(x) = 3x²(3x + 9)

Step 2: Distribute

(fg)(x) = 9x³ + 27x²

4 0

2 years ago

Read 2 more answers

An item is on sale for 50% off the regular price of $3.18. A customer buys one and gives the cashier $5.00. The cashier gives th

monitta

The regular price is 3.18.
50% off half the price, so you can either divide the regular price by 2 or multiply it by 0.50

3.18 / 2 = 1.59 ( 3.18 *0.50 = 1.59)

so the sale price is 1.59

now subtract the sale price from $5 to find the amount of change they got back:

5.00 - 1.59 = $3.14 change back

8 0

2 years ago

If u(x) =-2x^2 and v(x)=1 over x what is the range of (uov) (x)

Radda [10]

u(x) = -2x², v(x)= 1/x

(u o v)(x) = u(v(x)) = -2(1/x)²= -2/x²

We can see that domain for x is going to bee all real numbers except 0. From the equation above we can see that graph of the function (u o v)(x) = -2/x² has horizontal asymptote y=0, because degree of numerator is less than degree of denominator ( (u o v)(x) = -2x⁰/x² ).

x² is always going to be positive, so range is going to be all negative numbers.

y<0, or y∈(0,-∞)