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Luden [163]
3 years ago
5

H(x)=3x-1; Find h(-5)

Mathematics
1 answer:
Taya2010 [7]3 years ago
5 0

Answer:

I'm not sure but I got -16

Step-by-step explanation:

I just plugged in the -5 in place for the x

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What is the Y intercept of the line graphed on the grid
Alenkasestr [34]

Answer:

5.5

Step-by-step explanation:

The y-intercept of the line graph shown above is the value of the point where the line cuts the y-axis. The y-intercept of this graph is between 5 and 6. However, we can get an accurate value by calculation. This can be done by generating an equation of the line.

Recall the slope-intercept equation, y = mx + b, where m = slope of the line, b = y-intercept.

To generate the equation of the line, first find slope using the points (-2, 7) and (6, 1):

slope (m) = \frac{y_2 - y_1}{x_2 - x_1} = \frac{1 - 7}{6 -(-2)} = \frac{-6}{8} = -\frac{3}{4}.

Substitute m = ¾ and the coordinates (6, 1) into the slope-intercept equation to find the y-intercept (b):

y = mx + b

1 = -\frac{3}{4}(6) + b

1 = -\frac{18}{4} + b

1 = -4.5 + b + 4.5

1 + 4.5 = -4.5 + b + 4.5

5.5 = b

Therefore, b = y-intercept = 5.5.

To generate the equation of the line, plug in the values of m and b, we would have:

y = ¾x + 5.5

The y-intercept of the line of the graph is 5.5.

5 0
3 years ago
For the function y=-3+ cos (x + 4)], what is the minimum value?
Mrac [35]

Answer:

-4 is the mimumum of y=-3+cos(x+4)

Step-by-step explanation:

The minimum value of y=cos(x) is -1.

The minimum value of y=cos(x+4) is still -1; the +4 inside the cosine function only affected the horizontal shift.

The minimum value of y=-3+cos(x+4) is -3-1 which is -4.  This brought the graph down 3 units so if the minimum was previously -1 and it got brought down 3 units then it's new minimum is -4.

5 0
2 years ago
Simplify h + h + h , I really need help
lyudmila [28]
3h

Explanation:

Add them
4 0
2 years ago
Read 2 more answers
The linear function y = 7x + 2 represents the cost y, in dollars, of buying x tickets, including a one time service fee. What do
dolphi86 [110]

Answer:

x^5y+4x+4y+2

Step-by-step explanation:

Fact, ^ is called an exponet

(Just so you know)

4 0
2 years ago
The school purchased baseball equipment and uniforms for a total cost of $1836. the equipment cost $612 and the uniforms were $2
liraira [26]

Answer:

48 uniforms

Step-by-step explanation:

1836-612=1224.

1224/25.50=48.

Checked answer:

25.50 x 48= 1224

6 0
3 years ago
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