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ฟังก์ชันเลขชี้กำลัง

Authored by วีรยุทธ วิริยะศิริพจน์

Mathematics

10th - 12th Grade

Used 67+ times

ฟังก์ชันเลขชี้กำลัง
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8 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

ข้อใด "ไม่ใช่" exponential function

y=52xy=5^{-2x}

y=110xy=\frac{1}{10^x}

y=(9)xy=\left(-9\right)^x

y=(23)xy=\left(\frac{2}{3}\right)^x

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

ข้อใดเป็นฟังก์ชันเพิ่ม

y=(6)xy=\left(6\right)^{-x}

y=(45)xy=\left(\frac{4}{5}\right)^x

y=(3)4xy=\left(-3\right)^{4x}

y=13xy=\frac{1}{3^x}

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

ข้อใดเป็นฟังก์ชันลด

y=1.25xy=1.25^x

y=0.1xy=0.1^{-x}

y=5xy=\sqrt{5}^x

y=(32)xy=\left(\frac{3}{2}\right)^{-x}

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 y=10(x+5)3y=10^{\left(x+5\right)}-3 มีเรนจ์คือ

 (5, )\left(5,\ \infty\right)  

 (5, )\left(-5,\ \infty\right)  

 (3, )\left(3,\ \infty\right)  

 (3, )\left(-3,\ \infty\right)  

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 y1=3(x2)y-1=3^{\left(x-2\right)}  เส้นกำกับแนวนอนคือ

 y=1y=1  

 y=1y=-1  

 y=2y=2  

 y=2y=-2  

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 y=5(x1)y=5^{\left(x-1\right)}  มีจุดตัดแกน Y คือ

 (0, 5)\left(0,\ 5\right)  

 (0, 5)\left(0,\ -5\right)  

 (0, 15)\left(0,\ \frac{1}{5}\right)  

 (0, 15)\left(0,\ -\frac{1}{5}\right)  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 y=3xy=3^x  เลื่อนขวา 2 หน่วย ลง 1 หน่วย คือกราฟ

 y+1=3(x2)y+1=3^{\left(x-2\right)}  

 y+1=3(x+2)y+1=3^{\left(x+2\right)}  

 y1=3(x2)y-1=3^{\left(x-2\right)}  

 y1=3(x+2)y-1=3^{\left(x+2\right)}  

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