Answer:
63
Step-by-step explanation:
7, 14, 21, 28, 35, 42, 49, 56, 63, 70.
9, 18, 27, 36, 45, 54, 63, 72, 81, 90.
A:63
x=2
5x+10=24-2x
5x+10-10=24-2x-10
5x= -2x+14
5x+2x= -2x+14+2x
7x=14
7x/7=14/7
<u>Answer:</u>
<u>given:</u>
<u>using cosine rule:</u>
69
to find f(3), we'll have to substitute x with 3
therefore,
f(3) = 19 × 3 + 12
= 57 + 12
= 69