Use a graphing calculator to solve the nonlinear system. Give x- and y-coordinates to the nearest hundredth.y = log(x + 8)y = x2
A. {(-1.38, -1.89), (1.50, -2.25)}
B. {(-0.92, 0.85), (0.98, 0.95)}
C. {(-0.92, -0.85), (0.98, -0.95)}
D. {(-1.38, 1.89), (1.50, 2.25)}
Answer: B
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For the function f, use composition of functions to show that f-1 is as given.
, 
What will be an ideal response?
Identify the pairs of complementary or supplementary angles, as indicated.Complementary
A. ?CBE & ?EBA B. ?CBD & ?DBE; ?ABF & ?FBE C. ?FBE & ?EBD; ?ABF & ?CBD D. ?ABF & ?FBE
Solve.The simple interest rate on a savings account is 3% higher than the simple interest rate on a checking account. After one year the interest earned on a deposit in the checking account is $40 and the interest earned on a deposit in the savings account is $80. Find the interest rate for each account.
A. The interest rate on the checking account is 4% and the interest rate on the savings account is 7%. B. The interest rate on the checking account is 1% and the interest rate on the savings account is 4%. C. The interest rate on the checking account is 3% and the interest rate on the savings account is 6%. D. The interest rate on the checking account is 2% and the interest rate on the savings account is 5%.
Find the probability.What is the probability that a card drawn from a deck of 52 cards is not a heart?
A. 
B. 
C. 
D. 