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Anton [14]
3 years ago
5

Which describes the graph of y=(x+3)^2-4?

Mathematics
2 answers:
worty [1.4K]3 years ago
8 0
The answer to your question is option d as x is positive ( making it open up), and the vertex is (-3,-4)
loris [4]3 years ago
3 0

Answer:

<em>(D). Opens up with vertex at (- 3, - 4) </em>

Step-by-step explanation:

Vertex form of quadratic equation is f(x) = a(x - h)² + k

If a > 0 the parabola is facing up , or down if a < 0 .

<em>(D). Opens up with vertex at (- 3, - 4)</em>

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Question 4 plz show ALL STEPS
scoray [572]

Part (a)

Locate x = -1 on the x axis. Draw a vertical line through this x value until you reach the f(x) curve. Then move horizontally until you reach the y axis. You should arrive at y = 4. Check out the diagram below to see what I mean.

Since f(-1) = 4, this means we can then say

g( f(-1) ) = g( 4 ) = 4

To evaluate g(4), we'll follow the same idea as what we did with f(x). However, we'll start at x = 4 and draw a vertical line until we reach the g(x) curve this time.

<h3>Answer:  4</h3>

==========================================================

Part (b)

We use the same idea as part (a)

f(-2) = 5

g( f(-2) ) = g(5) = 6

<h3>Answer:  6</h3>

==========================================================

Part (c)

Same idea as the last two parts. We start on the inside and work toward the outside. Keep in mind that g(x) is now the inner function for this part and for part (d) as well.

g(1) = -2

f( g(1) ) = f(-2) = 5

<h3>Answer:   5</h3>

==========================================================

Part (d)

Same idea as part (c)

g(2) = 0

f( g(2) ) = f( 0 ) = 3

<h3>Answer:  3</h3>

6 0
3 years ago
If f(x) = x2 + x, find f(-3).<br><br> A. -12<br> B. 3<br> C. 6
Alex17521 [72]

C.


-3 squared is 9. 9 + (-3) is 6.


Therefore, it's C

4 0
3 years ago
Read 2 more answers
PLEASE ANSWER FIRST GETS BRAINLIEST
notsponge [240]

Answer: 28 red marbles


Step-by-step explanation:

Since there are in total 140 marbles and there are 5 red marbles, just simply divide 140 by 5 and you get your answer. 28 red marbles.

3 0
3 years ago
Read 2 more answers
Is 30/12 and 40/16 equivalent?
Flura [38]
30/12 in simplest form is 5/2 (cause 6 * 5 = 30 and 6 * 2 = 12)
40/16 in simplest form is 5/2 (cause 8 * 2 = 16 and 8 * 5 =40)
so yes they're equivalent;
30/12 = 40/16
Hope that helps :D have a nice day!
5 0
3 years ago
Read 2 more answers
How do I find Trig ratios
nadya68 [22]

Trig ratios can only be used on right triangles with acute measures.

If given an angle and there are adjacent and opposite sides, then use tan(opposite/adjacent)

If given an angle and there is an adjacent side and a hypotenuse, then use cosine(adjacent/hypotenuse)

If given an angle and there is an opposite and adjacent side, then use sin(opposite/hypotenuse)

A common mnemonic device used to memorize the trig rules is SOH-CAH-TOA

8 0
3 years ago
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