21 - (x + 7) We would multiple the numbers inside the parenthesis with -
21 - x - 7 Then we simplify
14 - x
Or if it’s equal to 0 and you need to isolate the x then it’s
x = -14
Award me brainliest please if this helped
The ratio is 10:8 at the moment, so you can simplify it down to 5:4.
Answer:
The range is [-1, ∞).
Step-by-step explanation:
The points where the graph of this function cut the x axis are at x = 2 and x = 4 , it opens upwards and has a minimum value.
It has a minimum value when x = (2 + 4) / 2 = 3.
When x = 3, f(x) = (3 - 4)(3 - 2) = -1.
So the range is all real values of x >= -1, or [-1, ∞)
yes
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Answer:
A
Step-by-step explanation:
Product in maths means multiply, thus
× c ( when multiplying we can omit the sign )
= c → A