Solve the quadratic inequality by graphing an appropriate quadratic function.x2 + 5 < 2x
A. (5, ?)
B. No solution
C. (-?, ?)
D. (-?, 2)
Answer: B
You might also like to view...
Use the type of regression function specified to make a prediction from the given data.The table below shows the number of subscribers to a certain magazine in various years. Use regression to fit an exponential function N(t) = abt to the data where t is the number of years since 1980 and N is the number of subscribers in thousands. Round regression coefficients to four decimal places.
A. N(t) = 4.0399(0.1492)t B. N(t) = 1.7349(1.2109)t C. N(t) = 3.1672(1.1862)t D. N(t) = 4.0399(1.1609)t
Provide an appropriate response.Consider the arrangements of the letters in the word ALGEBRA. Is this a combination, a permutation, or neither?
A. Combination B. Neither C. Permutation
Determine the domain and range of the function.
A. domain: (-?, 3]; range: (-?, 5] B. domain: (-?, ?); range: (-?, ?) C. domain: (-?, ?); range: (-?, 5] D. domain: (-?, 3) ? (3, ?); range: (-?, 5) ? (5, ?)
Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the leading coefficient a of x2 should be positive or negative.
A. quadratic; negative B. linear; positive C. quadratic; positive D. linear; negative