3 years ago

Please help me solve this problem

Mathematics

1 answer:

ss7ja [257]3 years ago

7 0

Answer:

<h2>Number of solutions: 3</h2><h2>Type: -10, -2, 2.8</h2>

Step-by-step explanation:

f(x) = 0 - the solutions are the x-intercepts.

Look at the picture.

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Up to 2 integers can have the same absolute value (a number and its opposite).

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3 years ago

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Paha777 [63]

Answer:

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Step-by-step explanation:

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What is the domain and range of the square root of x+3-1?

Nata [24]

Answer:

$\large\boxed{\text{The domain:}\ x\geq-3\to x\in[-3,\ \infty)}\\\boxed{\text{The range:}\ y\geq-1\to y\in[-1,\ \infty)}$

Step-by-step explanation:

$y=\sqrt{x+3}-1\\\\The\ domain:\\\\x+3\geq0\qquad\text{subtract 3 from both sides}\\\\x\geq-3\to x\in[-3,\ \infty)\\\\The\ range:\\\\\sqrt{x+3}\geq0\qquad\text{subtract 1 from both sides}\\\\\sqrt{x+3}-1\geq-1\\\\y\geq-1\to y\in[-1,\ \infty)$