Determine whether the given statement is true or false.Some rational numbers are integers.

A. True
B. False


Answer: A

Mathematics

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Find the length of the indicated portion of the trajectory.r(t) = (1 + 3t)i + (1 + 7t)j + (2 - 2t)k, -1 ? t ? 0

A.
B.
C.
D.

Mathematics

Use the FOIL method to find the products.(-3x + 6)(x + 7)

A. -3x2 - 15x - 15 B. -3x2 - 17x + 42 C. -3x2 + 42x - 15 D. -3x2 - 15x + 42

Mathematics

Graph the function.f(x) =  - 1

A.

B.

C.

D.

Mathematics

Tell whether the graph of the function opens up or down.P(x) = - (x + 2)2 - 2

A. up B. down

Mathematics