URI Math Placement Exam (Latest 2024 / 2025 Update) Questions and Verified Answers | 100% Correct | Grade A
Question:
Find inverse of function
Answer:
1) stick y in for f(x) 2) switch y and x 3) solve for y 4) stick f^-1(x) in for y
Question:
Solve for x with log
Answer:
-change exponential form into log form -get x alone
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Question:
Natural log
Answer:
ln (log naturel) -lne to the power of x = x
Question:
Method of completing the square
Answer:
-put x and half of b into parentheses squared -square b/2, add or subtract how much to get to original c -put that number outside parentheses -keep the sign in the parentheses same as sign in equation
Question:
Multiplying variables with exponents
Answer:
add
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