Answer:
3√7
Step-by-step explanation:
(√3)(√21) = √(3·21) = √(3·3·7) = √(3²·7) = 3√7
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The product of the roots is the root of the product. The product, 3·21 = 63, has a square factor that can be removed from under the radical. You need to factor out the root of that square when you simplify the expression.
the correct options are:
- The function has a domain of all real numbers.
- The function has a range of {y|–Infinity < y < Infinity} (this is the same as saying that the range is the set of all real numbers.
<h3>
Which statements are true about the function?</h3>
Here we have the function:
First, this is a cubic root, so its domain is the set of all real numbers (same for the range). And we know that the cubic root is an increasing function, so if we put a negative sign before it, we will have a decreasing function.
Then the correct options are:
- The function has a domain of all real numbers.
- The function has a range of {y|–Infinity < y < Infinity} (this is the same as saying that the range is the set of all real numbers.
The fourth option is incomplete, so we can't conclude if it is true or not, it would be true if it said:
"The function is a reflection over the x-axis of y = ∛x"
If you want to learn more about cubic roots:
brainly.com/question/20896994
#SPJ1
Hello!
First we multiply 5 and 6, giving us 30, and then we add 1/2.
Therefore, our answer is 30 1/2.
I hope this helps!
Answer:
15) (1, 1) and (-1, 1)
16) (1, 2) and (-1, 2)
17 (1,1/2) and (-1, 1/2)
18) (1,1/4) and (-1, 1/4)
19) 16 is vertical stretch, 17 and 18 is vertical compressed
Step-by-step explanation:
for qs 15-18 since x is 1 or -1 if you sq 1 or -1 you will always get 1
so y is the "a" value in the equation y=ax²
for qs 19
y=ax²
so if a>1 -- then vertical stretch
when 0<a<1 -- then vertical compressed
Answer:
y = 3.25x - 21
Step-by-step explanation:
Find the slope using the formula below. Once you've found the slope, plug 0 in for X to find the Y intercept.