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3 years ago

How could you find an equation of a quadratic function with the zeroes of -3 and 1?

Mathematics

1 answer:

Snowcat [4.5K]3 years ago

6 0

Hello,

The simpliest quadratic function is y=(x+3)(x-1)
or y=x²+2x-3

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Given: r(x) = x3 - 7, k(x) = 5 ln (2x) Find: (k ○ r) (x)

sergij07 [2.7K]

The value of (k ○ r) (x) from the given parameters in the task content is; 5 ln(2x³ -14)

<h3>What is (k ○ r) (x) from the task content?</h3>

If follows from the task content that;

r(x) = x³ - 7 and k(x) = 5 ln (2x)

It therefore follows that;

(k ○ r) (x) = k(r(x)) = 5 ln (2(x³-7)).

On this note, the expression which represents (k ○ r) (x) is; 5 ln(2x³ -14).

Read more on nested functions;

brainly.com/question/15855840

#SPJ1

3 0

2 years ago

Dorothy and Rosanne are baking cookies for a party. Working alone, Rosanne can finish the cookies in 6 hours. Dorothy can finish

garik1379 [7]

Answer:

It will take them 3.43 hours.

Step-by-step explanation:

Let T denote the total cookies that need to be cocked. Observe that:

If Rosanne finishes the cookies in 6 hours, that means that she can make $\frac{T}{6}$ cookies per hour.
If Dorothy finishes the cookies in 8 hours, that means that she can make $\frac{T}{8}$ cookies per hour.

Then, by 1) and 2), if they work together would we able to make

$\frac{T}{6}+\frac{T}{8}=\frac{8T+6T}{48}=\frac{14}{48}T=\frac{7}{24}T$

cookies per hour.

Therefore, in order to finish the T cookies they will need $\frac{24}{7}\approx3.43 hours$

3 0

4 years ago

How to solve a word problem if 15 dolls cost 468 what do 35 dolls cost

blondinia [14]

468/15=31.2
31.2∗35=1092

4 0

4 years ago

Read 2 more answers

Please help!!!!!!!!!!!!!

trapecia [35]

Answer:

did you try searching the formula for axis symmetry

8 0

3 years ago

Factor z^2-3z-18<br> A.(z+8)(z-10)<br> B.(z+2)(z-9)<br> C.(z+3)(z-6)<br> D.(z-3)(z-6)

konstantin123 [22]

Z^2 - 3z - 18 =
(z + 3)(z - 6)

3 0

3 years ago