The answer is the 3rd one.
Answer:
f(12) = 28
Step-by-step explanation:
All you have to do is plug in 12 as x.
f(12) = 2(12) + 4
= 24 +4
= 28
And you're done! :)
29.53 written as a decimal would be <span>0.2953.</span>
3x² - 8x > 11
3x² - 8x - 11 > 11 - 11
3x² - 8x - 11 > 0
x > <u>-(-8) +/- √((-8)² - 4(3)(-11))</u>
2(3)
x > <u>8 +/- √(64 + 132)</u>
6
x ><u> 8 +/- √(196)
</u> 6
x > <u>8 +/- 14</u>
6
x > <u>8 + 14</u> x > <u>8 - 14</u>
6 6
x > <u>20</u> x > <u>-6</u>
6 6
x > 3.33 x > -1
<u />
Answer:
y = 2 - 
Step-by-step explanation:
results in a parabola (U-shape). Adding a negative in front of it flips the parabola to look like an upside-down U.
The 2 makes it shift up two decimal spots to (0,2).
