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pychu [463]
3 years ago
9

Given the function rule f(x)=x2-4x+3 what is the output of f(-3)

Mathematics
1 answer:
Mariana [72]3 years ago
3 0
(-3)^2 -4(-3) + 3

9 + 12 + 3

So the answer is 24
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Jack is 35 years younger than Karen. Frank is half of Jack's age. Jenifer is 17 years older than Frank. If Jennifer is 35 years
barxatty [35]

Answer:

Karen is 71 years old

Step-by-step explanation:

Known

Karen=Jack +35

Frank=1/2 Jack

Jenifer=Frank+17

If Jenifer=35

35=Frank+17

18 = Frank

18=1/2 Jack

36= Jack

Karen= Jack+35=36+35=71

4 0
2 years ago
Simplify (square root 2)( square root of 2^3)
steposvetlana [31]

Answer:

\large\boxed{(\sqrt2)(\sqrt{2^3})=4}

Step-by-step explanation:

(\sqrt2)(\sqrt{2^3})\qquad\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\=\sqrt{2\cdot2^3}\qquad\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=\sqrt{2^{1+3}}=\sqrt{2^4}\\\\(1)=\sqrt{2^{2\cdot2}}\qquad\text{use}\ (a^n)^m=a^{nm}\\\\=\sqrt{(2^2)^2}\qquad\text{use}\ \sqrt{a^2}=a\ \text{for}\ a\geq0\\\\=2^2=4\\\\(2)=\sqrt{2\cdot2\cdot2\cdot2}=\sqrt{16}=6\ \text{because}\ 4^2=16

8 0
3 years ago
Please help me with this
Irina18 [472]

The sum of 8m and 3 is 8m + 3

Answer is B. 8m + 3

8 0
3 years ago
Read 2 more answers
Describe a real life multiplication situation for which an estimate makes sense?
Tamiku [17]
There were 3  friends. Each of them bought 6 packs of candy. Each pack had 18 pieces of candy. How much candy did they have in total? . 

3 × 6 = 18

18 × 18 = 324

SO, they had 324 pieces of candy in total.

Hope I helped:P 
8 0
2 years ago
Read 2 more answers
Identify the rule for the following pattern:<br> 99, 90, 81...
PilotLPTM [1.2K]
The pattern is subtracting 9
5 0
3 years ago
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