Find the direction angle of the vector v. Round to the nearest tenth if necessary. v = -i + 6j
A. 189.5°
B. 260.5°
C. 170.5°
D. 99.5°
Answer: D
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Evaluate the given function at the indicated value.f(x) = -4x2 - 5x + 4; g(x) = 4x - 7Find (f + g)(3).
A. 30 B. -42 C. -32 D. -18
Classify the triangle as equilateral, isosceles, or scalene. Then classify it as right, obtuse, or acute.
A. Isosceles; acute B. Isosceles; obtuse C. Scalene; acute D. Scalene; obtuse
Name the property illustrated.9 ? 8 = 8 ? 9
A. Identity property B. Distributive property C. Commutative property D. Associative property
Solve the problem.To determine the number of fish in a lake, a park ranger catches 280 fish, tags them, and returns them to the lake. Later, 108 fish are caught, and it is found that 48 of them are tagged. Estimate the number of fish in the lake.
A. 630 B. 124 C. 1,451,520 D. 19