Discover a wealth of knowledge and get your questions answered at IDNLearn.com. Ask your questions and get detailed, reliable answers from our community of knowledgeable experts.
Answer:
f ( 3 ) = 81
Step-by-step explanation:
→ Substitute in x = 3
9 × 3² - 3
→ Simplify
9 × 9 - 3
→ Simplify again
78