Find the product.2
× 3
A. 7
B. 6
C. 8
D. 9
Answer: D
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Determine whether the statement is true or false.The graph of 25x2 + 49y2 = 1225 is a horizontal ellipse.
A. True B. False
Provide an appropriate response.Write a system of equations that would be more easily solved using the substitution method than the elimination method. Explain why substitution would be easier than elimination.
What will be an ideal response?
Solve the system graphically. Do not use a calculator.
A. {(-1, 2)} B. {(1, 2)} C. {(-1, -2), (1, 2)} D. {(-1, 2), (1, 2)}
Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) =
A. f(x): D is all real numbers, R is all real numbers;
f-1(x): D is all real numbers, R is all real numbers
B. f(x): D is all real numbers, R = ;
f-1(x): D = , R is all real numbers
C. f(x): D = {x|x ? 1}, R = {y ? 0};
f-1(x): D = {x|x ? 0}, R = {y|y ? 1}
D. f(x): D = , R =
;
f-1(x): D = , R =