Answer:
180
Step-by-step explanation:
Answer:
Step-by-step explanation:
the domain of x represents the values that x can be without the function being undefined. the function of square rooting is undefined for negative numbers. so in order to find the domain, you must ensure that the "stuff" in the square root is greater than, or equal, to zero. hence, (4x+9)>= 0. the answer is B
Answer:
50 miles per hour
Step-by-step explanation:
To find rate, we use the rate formula:

r = rate, d = distance and t = time
Plug in distance and time using the numbers provided:

now to find rate we only need to divide 130 by 2.6 to get r = 50.