Restate in a logically equivalent form.It is not true that today I both went to school and read a book.
A. Today, I read a book but did not go to school.
B. Today, I either did not go to school or I did not read a book.
C. Today, I did not read a book and did not go to school.
D. Today, I went to school and read a book.
Answer: B
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The weight w, in pounds, of a certain animal at age t years is given by
.
?
The formula is valid for ages up to 10 years. What age gives a weight of 11 pounds? Round your answer to two decimal places if necessary.
?
A. That weight is never achieved. B. 5.93 years C. 4.13 years D. 2.49 years
Solve the system by elimination.
A. (-6, 9) B. inconsistent, ? C. (6, 10) D. (-7, 10)
Write the inequality using interval notation, and illustrate the inequality using the real number line.y < 5
A. [-?, 5)
B. [-?, 5]
C. (-?, 5]
D. (-?, 5)
Sketch the graph of the quadratic function. Identify the vertex and axis of symmetry.f(x) = (x - 6)2 + 1
A. vertex (1, 6)
axis of symmetry: x = 1
B. vertex (-6, 1)
axis of symmetry: x = -6
C. vertex (6, 1)
axis of symmetry: x = 6
D. vertex (-1, -6 )
axis of symmetry: x = -1