Use 8,888, then circle the 8 thousandth one (the first one on the left) then underline the 8 at the end (on the right)
Answer:
(x – 3)(x + 15)
Step-by-step explanation:
Consider the form x2 + bx + c. Find a pair of integers whose product is c and whose sum is b. In this case, whose product is -45 and whose sum is 12.
Write the factored form using these integers.
(x – 3)(x + 15)
<span>Each set of prices can be described by a linear function. In this case, Company A would be y = 5 + .5x, where y is the fare and x is the number of miles driven. Similarly, Company B would b y = 10 + .1x. The definition of intersection tells us that two lines interstect only at that point where their x and y coordinates are identical, which means, of course, that their y coordinates will be identical. So to find the point of intersection we can examine the point where the y coordinates are the same. Which is to say, where 5 + .5x = 10 + .1x. We can simplify this to .5x - .1x = 10 - 5, then .4x = 5, and finally, x = (5/.4) = 12.5. In other words, the fares will be equal when the miles driven is 12.5</span>
This is a bit harder. I suggest getting the Domain and Range for the function of x.
If any of these answers have, an infinite domain and (3, infinite) range. That will be your answer.
Your answer is B.
f(x) = 2x²+3 has the same domain and range as x²+3
