Answer:
3
Step-by-step explanation:
f(x) = 2x^2 + 1
f(-1) means that wherever you see an x on the right hand side, you substitute -1.
f(-1) = 2(-1)^2 + 1 = 2 + 1 = 3
For 3. he answer is a
for 4 the answer is two
Answer: 20%
1/(1+4) = the answer
its just the amount of lemon juice over total volume
Answer:
the answer is A
Step-by-step explanation:
