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LiRa [457]
3 years ago
10

For f(x) = 5x - 7, find f(-3).

Mathematics
1 answer:
dimaraw [331]3 years ago
4 0

Answer:

-22

Step-by-step explanation:

f(x) = 5x -7

substitute x = -3 into the equation as follows:

f(-3) = 5( -3) -7

= -15-7

= -22

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What is another way to write the absolute value inequality
devlian [24]

Answer:

absolute value its written as:

| expression | > x

*> written can also be < , ≥ , or ≤

| | (two vertical lines on both sides of something) indicate absolute value

(absolute value considers the space between a number and 0;

| x | = 3

then x could be = 3 or = -3

you can also think of anything inside | | to be written as positive;

| 3 | = 3

| -3 | = 3)

you could also right, from this example: | x | > 3

our value of x could either be greater than 3, or, our x-value is negative (and only the absolute value is greater than 3, meaning that negative -x, is greater than three)

we separate these possibilities into two expressions:

x > 3         - x > 3

              · -1     · -1    {inequalities flip direction when multiply by negative}

                  x < -3

so, x > 3 and x < -3 can be combined:

x > 3  <em>or </em> x < 3

(graph of example attached)

hope this helps!!

3 0
2 years ago
In the study of pesticide use and breast cancer, researchers evaluated pesticide use during the entire life of the respondents.
Doss [256]

Answer:

Kindly check explanation

Step-by-step explanation:

A common problem with most research designs is bias, which could be introduced win several ways one if which is the favored selection of certain variables rather than being randomized. In the scenario above, the sampling time frame introduces a bias into the design as the tune span of pesticide use does not allay with that of the exposure history of the respondent. Therefore an entire lifetime evaluation of one variable and just 20 years evaluation of the other introduces a sampling bias into the research design. Similarly, evaluation the type of pesticide usage over certain time period may need to be considered as the effect of very old pesticides may differ from those used very recently.

4 0
3 years ago
PLS HELP ME ILL GIVE BRAINLIEST TO THE BEST ANSWER!!!!!!!!!!!!!!!!!!!!!!!!
Eva8 [605]
1/256! you simply then evaluate and get 1/256
5 0
3 years ago
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What is the answer to this equation6+3/34+21/2=
malfutka [58]

Answer:

282/17

Step-by-step explanation:

6+3/34 =207/34

and 207/34+21/2=282/17

3 0
3 years ago
Plot the ordered pair in a coordinate plane. (-5,-2) on a graph
bija089 [108]

Answer:

i need a graph to point out at

Step-by-step explanation:

7 0
3 years ago
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