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aalyn [17]
3 years ago
6

What is the domain of the given function?

Mathematics
1 answer:
kari74 [83]3 years ago
5 0
B would be the correct answer
You might be interested in
X² + 7x + 12 factorise it​
Sidana [21]

Step-by-step explanation:

x²+7x+12

x²+4x+3x+12

x(x+4)+3(x+4)

(x+3)(x+4)

hope it helps

4 0
2 years ago
An English instructor asserted that​ students' test grades are directly proportional to the amount of time spent studying. Lisa
Nady [450]
\bf \begin{array}{ccll}
hours&score\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
9&72\\
h&95
\end{array}\implies \cfrac{9}{h}=\cfrac{72}{95}\implies \cfrac{9\cdot 95}{72}=h
5 0
3 years ago
In ΔBCD, the measure of ∠D=90°, DB = 96 feet, and CD = 14 feet. Find the measure of ∠B to the nearest tenth of a degree.
Reil [10]

Answer:

8.3

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
SOMEONE PLEASE HELP!! thank you :)
user100 [1]

Answer:

This is an arithmetic sequence with a common difference <em>d</em> of -9

Step-by-step explanation:

When you find out <em>d</em>, you realize the difference between the numbers to be -9. Since it is <em>d</em> and not common ratio <em>r</em>, it is an arithmetic sequence.

8 0
3 years ago
Read 2 more answers
The function f is defined by f(x) = x^2 + 3x -10 , if f(x + 5) = x^2 + kx + 30, k=
boyakko [2]

Answer:

k = 13

Step-by-step explanation:

substitute x = x + 5 into f(x) , that is

f(x + 5) = (x + 5)² + 3(x + 5) - 10 ← expand squared factor using FOIL

          = x² + 10x + 25 + 3x + 15 - 10

         = x² + 13x + 30

compare this with f(x + 5) = x² + kx + 30

for the 2 expressions to be equal , then k = 13

6 0
2 years ago
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