The function 𝑓:𝑅→𝑅 𝑑𝑒𝑓𝑖𝑛𝑒𝑑 𝑏𝑦 𝑓(𝑥)=2x+2|x| is a) one-one and onto b) many-one and onto c) one-one and - Maths - Relations and Functions

Question

The function 𝑓:𝑅→𝑅
𝑑𝑒𝑓𝑖𝑛𝑒𝑑
𝑏𝑦
𝑓(𝑥)=2x+2|x| is
a) one-one and onto b) many-one and onto
c) one-one and into d) many-one and into
Please give full explanation Thank you

Decoder_11 · Accepted Answer

The function 𝑓:𝑅→𝑅 𝑑𝑒𝑓𝑖𝑛𝑒𝑑 𝑏𝑦 𝑓(𝑥)=2x+2|x| is a) one-one and onto b) many-one and onto c) one-one and into d) many-one and into Please give full explanation. Thank you

The function 𝑓:𝑅→𝑅 𝑑𝑒𝑓𝑖𝑛𝑒𝑑 𝑏𝑦 𝑓(𝑥)=2^x+2^|x| is
a) one-one and onto b) many-one and onto
c) one-one and into d) many-one and into

Please give full explanation. Thank you