Identify the leading term and leading coefficient of the polynomial.5 - 12x4 - 17x + 17x3 + 19x2
A. Leading term: 17x3; leading coefficient: 17
B. Leading term: -12x4 ; leading coefficient: 5
C. Leading term: 5; leading coefficient: 5
D. Leading term: -12x4 ; leading coefficient: -12
Answer: D
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Solve the inequality, then graph the solution.8t + 12 ? 7t + 21
A. (-?, 8)
B. (-?, 9]
C. [9, ?)
D. (8, ?)
Solve.For maximum benefit during exercise, one's heart rate should increase by 50% to 85% above resting heart rate. (a) Alice has a resting heart rate of 70 bpm (beats per minute). What would her heart rate be if she increased it by 80% during exercise? (b) Sahill, who has a resting heart rate of 68 bpm , increased it to 119 bpm. By what percent did he increase his resting heart rate?
A. (a) 126 bpm, (b) 85% B. (a) 116 bpm, (b) 85% C. (a) 116 bpm, (b) 75% D. (a) 126 bpm, (b) 75%
Solve the proportion.
If the number in the statement is written in scientific notation, write it without exponents. If it is written without exponents, write it in scientific notation.A computer can do one calculation in 1.4 × 10-7 seconds.
A. 0.000014 B. 0.00000014 C. 14,000,000 D. 0.000000014