8 ... u gotta add 5+3 which is 8 soo ya\ prolly wrong (I kinda stink at math)but whatevs
Answer:
8/3
Step-by-step explanation:
Answer:

Step-by-step explanation:
We can find the side of the hypotenuse by applying pythagorean theorem.




Now we can apply pythagorean theorem on the other triangle





To figure this out plug in 4 for x
f(4)=5/3(4)^3/2+8(4)^1/2 = 5/3(8) + 8(2)
= 5/3 x 8 + 16 = 40/3 +16 = 88/3
Hope this helps!