Answer:
x/9 < 27
x < 27(9)
x < 243
Step-by-step explanation:
Answer:
K 20
Step-by-step explanation:
f(x) = 7x2 - 4x
f (2) = 7 (2)^2 - 4(2)
= 28 - 8
= 20
Since they replaced the x inside f(x) with 2, just do that the same to the right side, change all x into 2
Answer:
The last one, 8 / 0
Step-by-step explanation:
The last expression is undefined because in math it is forbidden to divide by zero.
Hope this helps)))
Answer:
<h2>x = -49</h2>
Step-by-step explanation:
x - 6 = -55 <em>add 6 to both sides</em>
x - 6 + 6 = -55 + 6
x = -49