For the given equation, evaluate the discriminant. How many real solutions are there?x(3 + x) = 1
A. 0; one
B. 5; two
C. 10; two
D. 13; two
Answer: D
Mathematics
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Find the average value of the function over the given interval.y = x2 - 4x + 3; [0, 9]
A. 12
B. 
C. 48
D. 36
Mathematics
Solve the problem.Find -x when x is 22
A. -22
B. 0
C. 22
D. 
Mathematics
Evaluate.3 - 7x, for x = 5
A. 38 B. -20 C. 32 D. -32
Mathematics
Find the exact values of the indicated trigonometric functions. Write fractions in lowest terms.
Find tan A and cot A.
A. tan A = 
; cot A = 
B. tan A = 
; cot A = 
C. tan A = 
; cot A = 
D. tan A = 
; cot A = 
Mathematics