Direct Variation: y = kx. Plugging in 5 as y and 4 as x, we get 5 = 4k, k = 5/4.
Now we can find y: y = (5/4)(12) = 15, so y = 15.
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Hope this helps!
==jding713==
F(-3)
-(-3)^2+3(-3)+5
-9-9+5
-18+5
-13 <======
f(0)
-(0)^2+3(0)+5
-0+0+5
5 <=======
f(2)
-(2)^2+3(2)+5
-4+6+5
7 <=======
f(5)
-(5)^2+3(5)+5
-25+15+5
-5 <======
f(8)
-(8)^2+3(8)+5
-64+24+5
-35 <======
How to find the derivative of a root?<span>Use the rule to differentiate the following example, first simplifying the root and writing it as a fraction using the notation. Move 7/6 forward then decrease the power by 1. Use the definition of a derivative to differentiate f(x) = x^–1 = 1/x. First simplify the numerator then simplify and cancel as much as possible.</span>
Answer: -24
Step-by-step explanation:
He is fully recovered, Hehe
