Answer:
a = -4/9
Step-by-step explanation:
(9a + 4) = 0
Subtract 4 from each side
9a + 4-4 = 0-4
9a = -4
Divide each side by 9
9a/9 = -4/9
a = -4/9
Answer: 15
a=5, b=3
3a= 3x5= 15
<span>The null hypothesis states that a population parameter is equal to a value. The null hypothesis is often an initial claim that researchers specify using previous research or knowledge. ... The alternative hypothesis is what you might believe to be true or hope to prove true.</span>
Answer:
X value de correct answer
Answer:
- Domain:

- Range:
![(-\infty, -1]](https://tex.z-dn.net/?f=%28-%5Cinfty%2C%20-1%5D)
Step-by-step explanation:
The domain is the set of x-values and the range is the set of y-values.