Solve the problem.It is recommended that a woman who is pregnant should exercise such that her heart rate does not exceed 140 beats per minute. Use absolute value notation to write an expression that describes the difference between the heart rate achieved by each of the following pregnant women and the recommended maximum heart rate. Then evaluate that expression.(i) Abigail: 134 beats per minute(ii) Mathilda: 149 beats per minute
A. (i) Abigail: 
= 274
(ii) Mathilda: 
= 289
B. (i) Abigail: 
= -6
(ii) Mathilda: 
= -9
C. (i) Abigail: 
= 6
(ii) Mathilda: 
= 9
D. (i) Abigail: 134 - 140 = -6
(i) Mathilda: 149 - 140 = 9
Answer: C
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A. 1.618 × 1045 B. 5.58 × 1045 C. 2.11 × 1046 D. 2.13 × 1045 E. 1.618 × 1046
Find the average rate of change for the function over the given interval.y = x2 + 8x between x = 7 and x = 9
A. 
B. 17
C. 24
D. 
Solve the inequality. Write the answer in set-builder notation.-7(x + 4) + 23x < 2(9x + 3) - 3x
A. {x
}
B. {x
}
C. {x
}
D. {x
}
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, 
< ? < ?Find tan(2?).
A. 
B. 
C. 
D. 