3 years ago

There are 2 questions PLease help need it quickley will give brainiest

Mathematics

1 answer:

musickatia [10]3 years ago

3 0

Answer:

This is the answer

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What's the square root of 18

4vir4ik [10]

Answer:

4.24 to two decimal places

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Simplify:<br> i. (1 + tanA)2 + (1 – tanA)2

zalisa [80]

Answer:

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3 years ago

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Find the domain of the function expressed by the formula:

Simora [160]

Answer:

a. Domain - x= all real numbers

b. Domain - x= all real numbers except 0

c. Domain - x= all real numbers

d. Domain - x= All real numbers

Step-by-step explanation:

The domain of a function is all the possible x values. It is easy to solve for domain by graphing the function.

a graph - blue

b graph - red

c graph - green

d graph - purple

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3 years ago

Please Help 10 Points

shepuryov [24]

Answer:

-2x^2-6x-15

Step-by-step explanation:

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3 years ago

Solve the inequality 4i−4(i+2)≥6(8i−8) and write the solution in interval notation

devlian [24]

Answer:

$(-\infty,\frac{25}{24}]$

Step-by-step explanation:

Assuming $i$ is a variable:

$4i-4(i+2)\geq6(8i-8)\\\\4i-4i+2\geq48i-48\\\\2\geq48i-48\\\\50\geq48i\\\\\frac{50}{48}\geq i\\ \\\frac{25}{24}\geq i\\ \\i\leq\frac{25}{24}\\ \\(-\infty,\frac{25}{24}]$

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2 years ago