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Alina [70]
3 years ago
8

The graph of f(x) = x2 is shifted 3 units to the left to obtain the graph of g(x). Which of the following equations best describ

es g(x)?
g(x) = (x + 3)2
g(x) = x2 − 3
g(x) = x2 + 3
g(x) = (x − 3)2

Mathematics
1 answer:
ANTONII [103]3 years ago
6 0

Answer:

g(x) = (x + 3)^2

Step-by-step explanation:

When a function is shifted to the left or right we can think of a change of units, like a new independent variable is used.

If we have a quadratic function

f(x)=x^2

and the graph is shifted 3 units to the left, then we can think of a new unit u that is:

g(x)=u^2

The vertix of this parabola, that happens for u=0, happens for x=-3, as the graph is shifted 3 units to the left.

Then, the relation between u and x is:

u-x=0-(-3)=3\\\\u=x+3

We can use this relation in the new graph and replace u as:

g(x)=(x+3)^2

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2 years ago
Need help please! Exponential function! 1 question!
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7 0
3 years ago
Read 2 more answers
Solve 2x ≤30 round to the nearest ten thousand
Sliva [168]

Answer:

x ≤15

Step-by-step explanation:

2x ≤30

Divide each side by 2

2x/2 ≤30/2

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5 0
3 years ago
The bagel shop sells special bagel sandwiches for $7 and plain bagels for $2. Last saturday, they sold 100 items and made $385.
zloy xaker [14]

Answer:

Number of special bagel sandwiches = 37

Step-by-step explanation:

Let x,y denote number of special bagel sandwiches and plain bagels respectively.

The bagel shop sold 100 items.

x+y=100\\y=100-x

Also, The bagel shop made $385.

7x+2y=385

Put y=100-x in 7x+2y=385

7x+2(100-x)=385\\7x+200-2x=385\\5x=385-200\\5x=185\\x=\frac{185}{5}\\x=37

So,

Number of special bagel sandwiches = 37

5 0
3 years ago
A customer buys 8.94 in gas plus three packs of cigarettes for 3.89 each and gives you 50.15 what is his or her change
ycow [4]
3.89 x 3 = 11.67
8.94 + 11.67 = 20.61
50.15 - 20.61 = 29.54

$29.54 would be the change.
Hope it helps!
7 0
2 years ago
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