3 years ago

True or False?

Mathematics

1 answer:

Bezzdna [24]3 years ago

3 0

False. Rainfall would not increase the amount of water in the lake.

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Write the quadratic function f(x) = x2 - 5x + 3 in vertex form.

mixer [17]

So the vertex formula is A(X - H)^2 + K so find the vertex and plug all numbers in

this gives you (x - 2.5)^2 -3.25 = f(x)

4 0

3 years ago

If a student scored 82 points on a test where the mean score was 78.2 and the standard deviation was 6.7. the student's z score

vodka [1.7K]

Z-score formula is z=(x-m) / sd
x = data value
m= mean
sd = standard deviation

z= (82-78.2) / 6.7
=0.567
=0.57

5 0

3 years ago

Write three different polynomial functions such that f(3) = 2.

ahrayia [7]

Answer:

1. $f (x) = x-1$

2. $f (x) = x^2-7$

3. $f (x) = x^3-25$

Step-by-step explanation:

Many polynomials can be formulated so that $f(3) = 2$ , some are as follows:

1. $f (x) = x-1$

verification:

$f (3) = 3-1 = 2$

meets the condition.

2. $f (x) = x^2-7$

verification:

$f(3)=3^2-9=9-7=2$

also meets the condition

3. $f (x) = x^3-25$

verification:

$f (3) =3^3-25=27-25 = 2$

It is also valid.

6 0

3 years ago

Anyone know and like to help? Thanks! :)

miv72 [106K]

2(p)
P^2
4+p(2)

Hope this helps

8 0

3 years ago

True or false?<br><br> (b^5)^2 = b^7

Mashcka [7]

The answer to this is false

5 0

3 years ago

Read 2 more answers