3 years ago

How do you find a value of x so that f(x) = 7?

Mathematics

1 answer:

DiKsa [7]3 years ago

5 0

Answer:

When f(x) = 7, x is equal to 5.

Step-by-step explanation:

When looking at this graph, we are looking for where the line hits a point where y is equal to 7. That's because f(x) is essentially the same thing as y.

The point in which the graph hits y = 7 is (5, 7). This means the x value we need is 5.

You might be interested in

A student needed to prepare 500mL of 1X TAE buffer to run a QC gel. The stock solution in the lab is 5X TAE. What volumes of sto

Xelga [282]

Answer:

you need 100ml of 5X TAE and 400ml of water.

Step-by-step explanation:

You need to use a rule of three:

$C_1V_1=C_2V_2$

where:

$\left \{ {{C_1= 5X} \atop {C_2=1X}} \right.$

and

$\left \{ {{V_1 = V_{TAE}} \atop {V_2=500ml}} \right.$

Therefore:

$V_{TAE} = \frac{V_2*C_2}{C_1}$

$V_{TAE} = 100ml$

Then just rest the TAE volume to the final Volume and you get the amount of water that you need to reduce the concentration.

3 0

3 years ago

Read 2 more answers

ALSO WORTH 50 POINTS Which graph matches the inequality: 2(4x - 5) < 14x + 8?

ss7ja [257]

Answer:

The correct answer is: C

Step-by-step explanation:

2(4x - 5) < 14x + 8

First multiply 2 by 4x and -5

8x - 10 < 14x + 8

Now find out what x is

Move 14x to the left

8x - 14x - 10 = 8

Then move 10 to the right and change it's sign to plus

8x - 14x = 8 + 10

Now combine like terms

-6x = 18

Now divide 18 by 6 to get x

x = 18/-6

x = -3

6 0

3 years ago

What is the length of arc BD? A. 5.23 in. B. 20.6 in. C. 120 in D. 10.47

Gre4nikov [31]

Your answer is d
.............................

5 0

3 years ago

Read 2 more answers

Select all numbers that have an absolute value of 4.

Pavlova-9 [17]

You didnt give us the numbers but it should be 4 and -4

6 0

3 years ago

One number is missing from this data set

Alexeev081 [22]

23, it has to be less than 24 since 25, 26, and 30 are greater than 24.

6 0

3 years ago

Read 2 more answers