Find the domain and the range of the relation.
A. domain: all real numbers; range: y ? 6
B. domain: all real numbers; range: all real numbers
C. domain: x ? 6; range: all real numbers
D. domain: x ? 0; range: all real numbers
Answer: A
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Foci at (-5, 0), (5, 0); asymptotes: y = x, y = -
x
A. -
= 1
B. -
= 1
C. -
= 1
D. -
= 1
Solve the problem.A tree casts a shadow 36 m long. At the same time, the shadow cast by a 49-centimeter tall statue is 90 cm long. Find the height of the tree. Round to the nearest tenth.
A. 66.1 m B. 18.1 m C. 19.6 m D. 64.6 m
Find the function value.Find cos , given that sin ? =
and 0° < ? < 90°.
A.
B.
C.
D.
Provide an appropriate response.An annuity with a specific number of periods is called an annuity certain.
A. True B. False