Answer: A) 3.2 ft
<u>Step-by-step explanation:</u>
f(4) = -0.3(4)² + 2(4)
= -4.8 + 8
= 3.2
I would say that the answer is B
Answer:
x= 5.5 y=2.25
Step-by-step explanation:
5(10 - 2y) -6y=14
50-10y-6y=14
50- 16y=14
-16y=-36
divide by negtivve # to get positive #
y=2.25
substiue
x+ 2(2.25) =10
x+4.5=10
x=5.5
Answer:
5
Step-by-step explanation:
Put 3 where x is and do the arithmetic.
f(x) = 2x -1
f(3) = 2·3 -1 = 6-1
f(3) = 5
Answer:
y=plus-or-minus sqr root of 100-x
Step-by-step explanation: