Find the domain and range of the inverse of the given function.f(x) = x4 + 1, x ? 0
A. Domain: (-?, 0]; range: (-?, 1]
B. Domain and range: all real numbers
C. Domain: [1, ?); range: [0, ?)
D. Domain: [0, ?); range: [1, ?)
Answer: C
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Provide an appropriate response.Find the discriminant of the equation: 3x2 - 2x + 5 = 0
A. The discriminant value is -56. B. The discriminant value is 0. C. The discriminant value is 64. D. The discriminant value is 56.
Clear fractions then solve by substitution.
+ 
= 4
- 2y = 21
A. {(6, -8)} B. {(-6, 8)} C. {(x, y)| 7x + 5y = 48} D. ?
Provide an appropriate response.A study is done relating the ages and systolic blood pressures (measured in millimeters of mercury) of 9 randomly selected adults. The best-fit line for the data is found to be Pressure = 1.488(Age) + 60.46. Determine the residual if a person is 51 years old and has blood pressure of 142.
A. 136.348 B. 5.652 C. -220.756 D. 278.348
Find the area of the shaded region.
?
?
A. A = 21.3 sq units. B. A = 23.6 sq units. C. A = 19.9 sq units. D. A = 18.1 sq units.