First find x in terms of f(x)
1/2 x = f(x) + 4
x = 2(f(x) +4)
x = 2f(x) + 8
Now replace x by the inverse function f-1(x) and the f(x) by x
f-1(x) = 2x + 8
f-1 (4) = 2(4) + 8 = 16
Answer:
2x-4. When you take a number- x- and add 2 of them -2x- and subtract 4 from it.
Negative 0.9 = -0.9
Negative 0.09 = -0.09
Negative 0.99 = -0.99
From least to greatest:
-0.99, -0.9, 0.09
It's the same as:
-99/100, -90/100, -9/100
The closer to zero, the greater the number is.
-1 - 6x^2- 1/6. X^4 Write in standard form.
−
1
−
6
x
2
−
1
6
x
4
<span>1.Problem 3. 5 x 2 + 18 x + 9. Show Factors By Grouping. Use the formula. Product of (a)(c) = (5)(9) = 45. ... 2)Problem 4. 2x² + 5x + 3. Factor it. Apply our formula. ... 3)Problem 5. 5x² + 13x + 6. Factor By Grouping. Remember our formula. ... 4)<span>Problem 6. 7x² + 9x + 2. Factor By Grouping. You know the deal-- Use our formula for factoring by grouping. there are some EX's</span></span>