Sagot :
Answers and Solutions:
a. (f+g)(5)
=x²–2+3x+1
=x²+3x–1
=(5)²+3(5)–1
=25+15–1
=40–1
➡️(f+g)(5)=39
b. (g–h) (4)
=3x+1–3x–2
➡️(g–h)(4)=–1
c. (f+h)(3)
=x²–2+3x–2
=x²+3x–4
=(3)²+3(3)–2
=9+9–2
=18–2
➡️(f+h)(3)=16
d. (q–v)(1)
=2x+1–10
=2x–9
=2(1)–9
=2–9
➡️(q–v)(1)=–7
e. (p+q)(2)
=x+3+2x+1
=3x+4
=3(2)+4
=6+4
➡️(p+q)(2)= 10
f. (g+q)(3)
=3x+1+2x+1
=5x+2
=5(3)+2
=15+2
➡️(g+q)(3)=17
g. (q–p)(1)
=2x+1–x+3
=x+4
=(1)+4
➡️(q–p)(1)=5
h. (h+p)(2)
=3x–2+x+3
=4x+1
=4(2)+1
=8+1
➡️(h+p)(2)=9
i. (h–v)(5)
=3x–2–10
=3x–12
=3(5)–12
=15–12
➡️(h–v)(5)=3
j. (g+v)(1/3)
=3x+1+10
=3x+11
=3(1/3)+11
=(3/3)+11
=1+11
➡️(g+v)(1/3)=12
Hope it helps you, tHanks