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Dimas [21]
3 years ago
14

Pls help‼️‼️‼️‼️ lol

Mathematics
1 answer:
timofeeve [1]3 years ago
7 0
Hello I’m back oof.

First chart: 3.14•2^
3.14•3^
3.14•4^
Second chart: 2(-4)-2
2(0)-2
2(4)-2
Third chart: 10(2^)+(1+1)
10(-1^)+(3+1)
10(-4^)+(4+1)

Hope this helps!
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Finding Domain.
Katarina [22]
(f \circ g)(x)=(\sqrt{x-5})^2+2=x-5+2=x-3\\
D:x\in \mathbb{R}
6 0
3 years ago
2x^2=9-3x <br> Find the factors
d1i1m1o1n [39]

Answer:

x = -3, $ \frac{3}{2} $

Step-by-step explanation:

The given quadratic equation is: $ 2x^2 = 9 - 3x $

This can be written as: $ 2x^2 + 3x - 9 = 0 $

To solve a quadratic equation of the form $ ax^2 + bx + c = 0 $ we use the formula:

           $ x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a} $

Here, a = 2; b = 3; c = - 9

Therefore, the roots of the equation are:

$ x = \frac{- 3 \pm \sqrt{9 - 4(2)(-9)}}{2(2)} $

$ \implies x = \frac{-3 \pm \sqrt{81}}{4} $

$ \implies x = \frac{-3 \pm 9}{4} $

We get two values of 'x', viz.,

x = $ \frac{-3 + 9}{4} $ and $ \frac{- 3 - 9}{4} $

$ \implies x = \frac{6}{4} \hspace{5mm} \& \hspace{5mm} \frac{-12}{4} $

⇒ x = -3, 3/2

Since the factors of the quadratic equation is asked, we write it as:

(x + 3)(x - $ \frac{3}{2} $) = 0

because, if (x - a)(x - b) are the factors of a quadratic equation, then 'a' and 'b' are its roots.

Multiply (x + 3) and (x - $ \frac{3}{2} $ to see that this indeed is the given quadratic equation.

5 0
3 years ago
3a. The graph shows a school's profit P for selling x lunches on one day. PART A: What is the school's profit for selling 120 lu
konstantin123 [22]

Answer:

where is the graph

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
There were about 1.22 million Hispanic-owned businesses in 2012 and 1.73 million in 2017.
fredd [130]

Answer:

  f(t) = 1.22·(173/122)^(t/5)

Step-by-step explanation:

(a) An exponential growth (or decay) function can be written using the form ...

  f(t) = (initial value)·(ratio in period)^(t/period)

Here, we're given an initial value of 1.22, a growth ratio of 1.73/1.22 in a period of 5 years, so we can write the function as ...

  f(t) = 1.22·(173/122)^(t/5)

__

(b) In 2038-2012 = 26 years, the value of the function is ...

  f(26) = 1.22·(173/122)^(26/5) ≈ 7.50 . . . . million

3 0
2 years ago
Write a fact with the same sum as 7+5
kozerog [31]
6+6
8+4
9+3
10+2
11+1
Hope this helps!
3 0
3 years ago
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